Building Blocks

<p>1,4-Dicyanobenzene is an organic compound that is used as a reactant in the production of other chemicals. It has been shown to be reactive with nucleophiles such as amines and alcohols. 1,4-Dicyanobenzene has shown good transport properties and can be used in industrial preparation of polymers such as polyurethane. The reaction mechanism for 1,4-dicyanobenzene is nucleophilic attack by a nucleophile on the carbonyl carbon of the double bond. This reaction yields two products: an amide or an aliphatic hydrocarbon. 1,4-Dicyanobenzene can also undergo reactions involving hydrogen bonds with other molecules in order to form new compounds.</p>

<p>3-(Difluoromethyl)-1-methyl-1H-pyrazole-4-carboxylic acid is a synthetic chemical that is used as a pesticide. This chemical has been found to be more effective than other pesticides because it can inhibit the synthesis of fatty acids, which are necessary for the growth of insect larvae. 3-(Difluoromethyl)-1-methyl-1H-pyrazole-4-carboxylic acid is synthesized by reacting sodium hydroxide solution with triethyl orthoformate in the presence of hexamethylenetetramine. This reaction produces a mixture of diethyl ester and carboxylate esters, which are then separated from each other. The resulting carboxylate ester is then oxidized to produce 3-(difluoromethyl)-1-methyl-1H pyrazole 4 carboxylic acid.</p>

<p>2,4-Dibromothiazole is a nicotinic acetylcholine receptor (nAChR) antagonist which selectively blocks the binding of acetylcholine to nAChRs. It has been shown to be effective in treating inflammatory bowel disease by inhibiting the production of inflammatory mediators. This drug also has anti-inflammatory effects and can be used for the treatment of autoimmune diseases such as Crohn's disease. 2,4-Dibromothiazole also has low energy properties and is used in palladium complexes for cross-coupling reactions. It can also be used as a cancer chemotherapeutic agent and as a cardiac drug.</p>

<p>4,6-Dichloro-5-nitropyrimidine is an intermediate in the synthesis of Tenofovir, a nucleophilic drug that inhibits HIV. It is produced by the reaction of chloride with amines and nitro compounds in the presence of ammonium chloride. 4,6-Dichloro-5-nitropyrimidine has been shown to have anticancer activity against human lymphocytes and other cancer cells. It can also be used for the treatment of AIDS. The biological properties of this compound are dose dependent and are dependent on the size of chlorine atoms attached to nitrogen atoms.</p>

<p>2,4-Diamino-5-nitropyrimidine is a synthetic molecule that belongs to the class of heterocyclic amines. It has been shown to be a potent antiproliferative agent and has been found to inhibit hepg2 cell growth in vitro. This compound was also found to inhibit cancer cells, including mcf-7. 2,4-Diamino-5-nitropyrimidine binds nucleophilic sites on proteins and inhibits enzymes involved in DNA synthesis. The inhibition of these enzymes leads to cell death by preventing the production of new proteins needed for cell division.</p>

<p>4,4'-Diamino-2,2'-bipyridine (DABP) is a redox-active compound that is synthesized to be used as a single-stranded DNA probe. It has been shown to have high affinity for nucleic acids and can be used in many applications including the detection of mutations in human ovarian carcinoma cells. DABP can also be used as a model protein for studying interactions with other biomolecules. The immobilization of DABP on an electrode surface allows for the study of its electrochemical properties. This includes the correlation between the redox potential and luminescence intensity and the dependence on pH or ionic strength. DABP can also be used to detect oxygen concentration or ATP levels in mitochondria through its ability to absorb light at wavelengths from 400 nm to 800 nm which is then converted into light at lower wavelengths by uv irradiation.</p>

<p>2,5-Dibromo-3-aminopyrazine is an experimental drug with anticancer activity. It has been shown to have a high affinity for DNA and inhibit the growth of tumor cells in vivo. 2,5-Dibromo-3-aminopyrazine has undergone stability tests in vivo and in vitro and also completed clinical trials. This drug binds to DNA and inhibits the enzyme protein kinase C, leading to suppression of cellular proliferation. The pharmacokinetics of this drug were evaluated by measuring the concentration of 2,5-dibromo-3-aminopyrazine in plasma after oral administration to mice. This study found that the maximum concentration was achieved at 1 hour post dose and that there was a decrease in concentration over time. The drug has been shown to bind to the dimethoxybenzene metabolic pathway, which is involved in regulating cell proliferation.<br>2,5-Dibromo-3-aminopyrazine</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Ethyl cyclopropaneacetate is an organic compound that belongs to the class of aminophenyl ethyl esters. It has been shown to inhibit neutrophil migration and angiotensin II-induced vasoconstriction in cerebral arteries, suggesting that it may have a role in the treatment of chronic bronchitis. Ethyl cyclopropaneacetate has also been shown to have antimycotic activity against Candida albicans and Aspergillus niger, as well as cancer-fighting effects. This compound is synthesized by reacting triethyl orthoformate with adenosine under mild conditions. The reaction system is high yielding and can be used for the synthesis of other drugs.</p>

<p>5-bromo-3,3-dimethyl-2,3-dihydro-1H-indole is an activator that is used in palladium catalyzed reactions to form a phosphine ligand. 5-bromo-3,3-dimethyl-2,3-dihydro-1H-indole is also used as a vasotropic agent and reagent for organic synthesis. It is used to synthesize ethylesters and salts of 5-(5'-bromo)-2,2'-dihydroquinoline carboxylic acid. This compound can be hydrolyzed with alkaline solution to produce the corresponding amine.</p>

<p>Versatile small molecule scaffold</p>

<p>2,2-Dimethyl-1,3-dioxan-5-ol is a chemical compound that has been shown to have catalytic properties. It has also been used as an additive in organic synthesis reactions to activate carboxylic acids. 2,2-Dimethyl-1,3-dioxan-5-ol is an oxygenated compound that can be synthesized by the reaction of pyridine and formaldehyde. This substance can be used in acidic conditions and must be activated by solketal or dioxane before use. The physical properties of this chemical are shown using FTIR spectroscopy on corncob samples and physicochemical parameters were determined using standard techniques.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>2-Bromo-5-fluoro-4-nitroaniline can be synthesized in a reaction system of ammonium chloride, hydrochloric acid, and water vapor. The reaction is carried out at a temperature of 190°C under reflux. The efficiency of this synthesis is high, and the chemical yield is about 90%.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Methyl 2-(chloromethyl)nicotinate is an organic compound that belongs to the class of esters. It is a reaction product of methyl 3-hydroxybenzoate and nitrous acid. This compound has antimicrobial activity and can be used to treat bacterial infections. Methyl 2-(chloromethyl)nicotinate has been shown to inhibit the growth of various bacteria, including methicillin-resistant Staphylococcus aureus (MRSA), Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, Salmonella typhi, and Salmonella typhimurium. The cyano group in this molecule may be responsible for its antibacterial activity. <br>The efficiency of methyl 2-(chloromethyl)nicotinate varies with different types of bacteria. For example, it was more effective against MRSA than against Escherichia coli or Klebsiella pneumoniae</p>

<p>5-bromo-6-methoxy-1H-indole is a synthetic, nonsteroidal compound that is structurally related to prednisolone. It has been shown to induce the synthesis of collagen by stimulating fibroblasts in culture. This drug also has anti-inflammatory and modulating effects on s1p receptors, which may be due to its ability to inhibit the production of proinflammatory cytokines such as tumor necrosis factor alpha (TNFα). 5-bromo-6-methoxy-1H-indole is a potent inhibitor of acid methyl esters, which are involved in inflammation and tissue destruction. 5-bromo-6-methoxy-1H--indole also has an effect on dermal cells, which may be due to its ability to inhibit the production of matrix metalloproteinase enzymes. This drug can also cause atrophy in granuloma cells and prevent the development of inflammatory</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Dimethyl pyridine-3,4-dicarboxylate is an organic compound that is used as a precursor to make other chemicals. It is a pyridinedicarboxylic acid and it can be synthesized from the reduction of pyridine with sodium borohydride in ethanol. Dimethyl pyridine-3,4-dicarboxylate is also used in the production of acetaldehyde by way of hydrosilylation with chloride and chloroform. This chemical has been found to be useful for the synthesis of various drugs such as antiepileptics, antihistamines, antipsychotics, and antidepressants.</p>

<p>Nerol oxide is a natural compound and fragrance ingredient that has been shown to have anti-aging effects. Nerol oxide is an ester of citronellal, nerolic acid and ethyl decanoate. It is found naturally in orange blossoms and other citrus plants, as well as in lavender oil. Nerol oxide can be extracted from the plant material using solid phase microextraction. The chemical analyses of this extract reveal the presence of various fatty acids, including ethyl esters, fatty acids and their corresponding alcohols. These compounds are used to produce nerol oxide by polymerization with an initiator such as potassium hydroxide or sodium hydroxide at a neutral pH.</p>

<p>3,6-Dichloropicolinonitrile is a peroxide that is used in the synthesis of organic compounds. It is produced by the reaction of sodium carbonate and hydrochloric acid with nitric acid as a catalyst. 3,6-Dichloropicolinonitrile has been shown to be more selective than other oxidizing agents such as hydrogen peroxide and potassium permanganate. The product can then be purified by adding diacetate, which selectively reacts with the chlorine to form acetyl chloride and glycolic acid. The resulting mixture can then be distilled to produce 3,6-dichloropicolinonitrile in high purity. 3,6-Dichloropicolinonitrile can also be used in electrochemical methods for the synthesis of cyanides or biochemically for virulent products such as pesticides and organic solvents.</p>

<p>Versatile small molecule scaffold</p>

<p>1-Phenyl-1H-pyrazol-4-amine is a white crystalline solid that can be used in organic synthesis. It is soluble in water and acetone, but insoluble in ether and chloroform. The chemical formula for 1-phenyl-1H-pyrazol-4-amine is C6H5N3O. It has a molecular weight of 147.17, an empirical formula of C6H5N3O and a density of 1.47g/mL at 20°C. 1-Phenyl-1H-pyrazol-4-amine reacts with the hydroxyl group on l -glutamic acid to form the corresponding ester, which can be hydrolyzed under alkaline conditions to produce ammonia and benzoic acid. This molecule also contains an anion that can be deprotonated by an alkali metal such as sodium or potassium to form the corresponding salt, which</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>4-Chloropyrimidine-2-carbonitrile is an industrial chemical that belongs to the class of heterocycles. It is commonly used in the synthesis of amines, phenoxy compounds, and halides. This compound is widely used in research laboratories as a building block for the synthesis of various organic compounds. 4-Chloropyrimidine-2-carbonitrile is available in enantiopure form, making it suitable for chiral chemistry applications. It contains cyano and ethoxycarbonyl functional groups, which make it versatile for further derivatization. This compound exhibits solid catalyst properties and can be used as a methyl ether or amide precursor. Its emission properties make it useful in fluorescence-based assays and imaging techniques.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>2-(Morpholin-4-yl)acetyl chloride hydrochloride is a fine chemical that is used as a building block for the synthesis of other compounds. It can be used in research and development, or as a reagent. 2-(Morpholin-4-yl)acetyl chloride hydrochloride has high purity and is easily soluble in water. This compound can be used as an intermediate to synthesize other compounds, or it can be used as a scaffold for the formation of complex structures.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Cabozantinib is a small molecule that is the first to target VEGFR-2, which is a receptor tyrosine kinase involved in the development of fibrosis. Cabozantinib inhibits the activity of VEGFR-2 by binding to its ATP-binding site and blocking the phosphorylation of downstream signaling pathways. Cabozantinib has been shown to have antifibrotic properties in both preclinical and clinical models. The drug candidate has been shown to reduce kidney fibrosis in animal models. The standard dose for cabozantinib was found to be 5 mg/kg, with a maximum tolerated dose of 20 mg/kg. In vitro studies have indicated that cabozantinib binds with high affinity to the ATP-binding pocket of VEGFR-2, exhibiting competitive inhibition against other kinases such as PDGFR-beta and cKit, as well as diaryliodonium (a specific inhibitor). Caboz</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>3,3²-Dithiobis(propionitrile) is a molecule that includes sodium hydroxide solution and acrylonitrile. It reacts with 3-mercaptopropionic acid to form sodium hydrogen ester compounds. This reaction takes place in a sealed container and is catalyzed by carbonic and hydrochloric acids. The product of this reaction is 3-thiocyanatoacrylic acid.</p>

<p>4-(2-Bromoethyl)morpholine hydrobromide is a solvent that is used as an agent in the production of other chemicals. It is a colorless, crystalline solid with a constant melting point of 130 to 131 degrees Celsius. 4-(2-Bromoethyl)morpholine hydrobromide is soluble in acetone, ethanol, ether, and water. This chemical has been shown to be toxic and should be handled with care.</p>

<p>1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl acetate is a reactive intermediate that can be used as a starting material for the synthesis of other organic compounds. It is synthesized by the reaction of an acid with an aldehyde or ketone in the presence of a base. The rate of this reaction depends on the functional groups present in both reactants and their relative concentrations. This intermediate can be converted to another chemical compound through various reactions, including hydroxymethylation, decarboxylation and oxidation. This chemical has been used as a cocatalyst for the production of 5-hydroxymethylfurfural (HMF).</p>

<p>6-Chloro-2-methyl-4-pyrimidinol is an aldehyde that reacts with hydrazine to form a monoxide, which reacts with carbon monoxide to form a hydrazide.</p>

<p>2,4,5,6-Tetra(9H-carbazol-9-yl)isophthalonitrile is a redox molecule that emits light when excited by an electron or photon. It is used in organic light emitting devices (OLEDs) as the emissive material. This compound has been shown to have low chemical stability and limited transport properties. Its efficiency can be improved by increasing the concentration of the molecule. Activated 2,4,5,6-tetra(9H-carbazol-9-yl)isophthalonitrile emits a bright red orange emission with a maximum at 569 nm and it is activated by electron transfer from an electrode. 2,4,5,6-Tetra(9H-carbazol-9-yl)isophthalonitrile has been shown to emit blue light when excited by UV light in the presence of oxygen as an oxidant.</p>

<p>(1R)-2-Chloro-1-(2,4-dichlorophenyl)ethan-1-ol is a substrate for acetylation that is used in the synthesis of enantiopure alcohols. It has been shown to be an inhibitor of alcohol dehydrogenases and hydrophobic alcohols. (1R)-2-Chloro-1-(2,4-dichlorophenyl)ethan-1-ol has also been found to be active against fungi such as Penicillium chrysogenum and Cryptococcus neoformans. This compound is stereoselective when used as an antifungal agent, which means it will only inhibit one enantiomer of a molecule.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Methyl Pyridin-3-ylacetate is an organic compound that is the methyl ester of pyridine-3-carboxylic acid. It has a melting point of 197°C, with an ionization potential of 1.78 eV and a lactam. Methyl Pyridin-3-ylacetate has been shown to react with hydrochloric acid to form picric acid and methyl 3-(hydroxymethyl)pyridine-2,5-dicarboxylate. Methyl Pyridin-3-ylacetate can be used in the preparation of picrates, which are used in the synthesis of dyes and explosives such as picric acid and TNT. Methyl Pyridin-3-ylacetate can also be demethylated by heating with sodium methoxide to give methyl pyridine carboxylate.</p>

<p>2,4-Dimethylphenyl isothiocyanate (DMIT) is a dipole molecule that has been used as a preservative and antimicrobial agent. DMIT has been shown to be an effective anti-microbial agent against Gram-positive bacteria such as Staphylococcus aureus, Enterococcus faecalis, and Streptococcus pyogenes. It also inhibits the growth of Gram-negative bacteria such as Escherichia coli, Pseudomonas aeruginosa, and Klebsiella pneumoniae. DMIT has been shown to be non-toxic to animals at high concentrations. It is also safe for use in food products because it does not react with polyunsaturated compounds.</p>

<p>3-Bromofuran-2-carbaldehyde is a chemical compound that belongs to the group of carbonyl compounds. It is an acetylated form of 3-bromofuran and its molecular formula is C6H5BrO. This chemical contains a carbonyl group, which reacts with the hydroxyl group in epidermal growth factor (EGF) to produce epidermal growth. 3-Bromofuran-2-carbaldehyde has been shown to be an adrenergic receptor agonist and can be used as a structural formula blocker or hydrochloric acid. The chemical can also be synthesized in acidic conditions using methods such as fluorination, chlorination, and acetylation.</p>

<p>Tert-butyl N-(4-methylphenyl)carbamate is a reusable, efficient method for the synthesis of tert-butyl carbamates from amines and carbon dioxide. This reaction is an example of a C–H bond activation that proceeds through an anion intermediate. The reaction time can be reduced by irradiation to increase the efficiency. Electrons are unpaired during this process, which is modeled with quantum mechanics software. Chloride is used as a catalyst to activate the electron and generate a reactive intermediate. Amine functionalities are added to the molecule in order to give it desired properties. The chloride group can be replaced with other anions such as bromide or iodide, which will also introduce different reactivity patterns.</p>

<p>Versatile small molecule scaffold</p>

<p>2-(4-Methoxyphenyl)ethyl bromide is an adenosine receptor antagonist that can be used in cancer treatment. It has been shown to inhibit the growth of cancer cells by blocking the binding of adenosine to its receptors and inhibiting phosphodiesterase, which is an enzyme that breaks down the key cellular messenger, cyclic AMP (cAMP). 2-(4-Methoxyphenyl)ethyl bromide also inhibits the production of aphanorphine, a morphine analogue that has been shown to stimulate endoplasmic reticulum stress and apoptosis in cancer cells. This compound has been synthesised and tested on animal models with promising results.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Please enquire for more information about 8-Methylnonan-1-ol including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>3,3-Diethoxypropan-1-amine is a synthetic drug that reversibly inhibits the growth of bacteria. It has been shown to be effective against methicillin resistant strains of Staphylococcus aureus and Clostridium perfringens, with no detectable activity against acid-fast bacteria such as Mycobacterium tuberculosis or Mycobacterium avium complex. 3,3-Diethoxypropan-1-amine is a heterobifunctional compound that binds to epidermal growth factor with high affinity. 3,3-Diethoxypropan-1-amine can also bind to collagen and liposomal formulations, which may be useful for the treatment of wounds. This drug has been shown to inhibit δ opioid receptors in mice and rats, which is thought to contribute to its analgesic effects.</p>

<p>(2S)-3-Hydroxy-2-phenylpropanoic acid is an unlabelled, naturally occurring compound. It is the citric acid analog of L-phenylalanine. The structure of (2S)-3-Hydroxy-2-phenylpropanoic acid is a skeleton that consists of one hydroxyl group and one carboxylic acid group. The carboxylic acid group has a double bond in the alpha position to the carboxyl carbon, which gives this molecule an acidic character. The chloride ion is also present in this structure. This molecule can be synthesized by a kinetic reaction that involves fatty acids and brugmansia as catalysts. It can also be synthesized through a catalysed reaction using thionyl chloride as a catalyst.</p>

<p>2-Hydroxy-3-(1-methylethyl)-butanedioic acid is an organic compound that is a metabolite of the amino acid methionine. It is formed by the oxidation of the methyl group on the 2 position in methionine. The protein subunits are expressed in liver cells and it has been shown to have antioxidant properties. The analytical methods used for this compound include LC-MS/MS, which separates it into its individual isomers. This method can be used to determine the purity of 2-hydroxy-3-(1-methylethyl)-butanedioic acid. The carbonyl group in this molecule makes it susceptible to steric interactions with other molecules, which may lead to it being oxidized or reduced. It has been found that 2-hydroxy-3-(1-methylethyl)-butanedioic acid shows thermophilic and enterocolitic properties.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>DSP-4 hydrochloride is a neurotoxin that inhibits the synthesis of norepinephrine. It binds to neurons and prevents the uptake of dopamine, which can lead to neuronal death. DSP-4 hydrochloride affects brain functions by decreasing the concentration of serotonin in the cortex and increasing the concentrations of norepinephrine in the coeruleus. DSP-4 hydrochloride also has estrogenic effects by binding to estrogen receptors and increasing estradiol benzoate concentrations.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>4-Amino-2,6-dimethoxypyrimidine is an organic compound that has been shown to be a methylating agent. It reacts with the hydrogen chloride present in seawater to form methyl chloride and hydrochloric acid. 4-Amino-2,6-dimethoxypyrimidine also interacts with hydrogen bonds and forms hydrogen bonds with other molecules. The molecular modeling study revealed that this compound is soluble in mineral acids such as sulfuric acid and hydrochloric acid. The solubility data also showed that 4-amino-2,6-dimethoxypyrimidine is soluble in water but not in chlorinated water. This drug has shown significant antifungal activity against Cryptococcus neoformans and Gram-negative organisms such as Escherichia coli, Salmonella typhi, Pseudomonas aeruginosa, Klebsiella pneumoniae, Proteus mirabilis, Enterobacter</p>

<p>N-(4-Aminophenyl)-N-methyl-2-(4-methylpiperazin-1-yl)acetamide is an environmental and industrial chemical that is used as a formate, benzoate, and methyl benzoate intermediate. It reacts with nitric acid to form N-(4-aminophenyl)-N-methyl-2-(4-nitrophenoxy)acetamide (NPA). NPA has been shown to have antiangiogenic properties. NPA inhibits the proliferation of endothelial cells by interfering with the cell cycle and inducing apoptosis.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>2,5-Diethoxyterephthalohydrazide is an organic compound that has been used for the synthesis of linkers with various functional groups. It is a reactive intermediate in the synthesis of amines and compounds containing amine functional groups. 2,5-Diethoxyterephthalohydrazide has been shown to be stable under environmental conditions and can be used as a linker in organic solvents such as amines, alcohols or esters. This compound has also been shown to exhibit photocatalytic activity when irradiated by UV light. Techniques such as analytical chemistry and techniques can be used to characterize this compound's reactivity and stability.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Ethyl 3-formyl-1H-pyrrole-2-carboxylate is a formyl compound with the molecular formula C8H8O3. It is a colorless liquid that has a strong odor. The compound can be obtained by the reaction of ethyl acetoacetate and pyrrole in the presence of aluminum chloride. The compound has been studied for its nuclear magnetic resonance (NMR) properties. It has two conformers, which are distinguished by their different chemical shifts, and this difference can be used to study coupling between the carbonyl group and other groups in the molecule.</p>