Toxicologie

Stability Light Sensitive
Applications Retinyl Retinoate is used in the treatment of skin diseases and disorders such as acne, psoriasis and photoaging.
References Kim, B. et al.: Int. J. Derm., 51, 733 (2012); Kim, J. et al.: Brit. J. Derm., 162, 497 (2010);

Applications (E)-(5,6-Dihydro-1,4,2-dioxazin-3-yl)[2-[(tetrahydro-2H-pyran-2-yl)oxy]phenyl]-methanone O-Methyloxime-d4 is an intermediate used in the synthesis of Fluoxastrobin-d4 (F596702), which is a labelled Fluoxastrobin (F596700). Leaf-systemic broad-spectrum fungicide for use in cereal and food crops; member of methoxy-imiodihydro-dioxazines. Agricultural fungicide.
References Milus, E., et al.: Plant Dis., 78, 697 (1994), D'Mello, J., et al.: Eur. J. Plant Pathol., 104, 745 (1998), Domijan, A., et al.: Food Addit. Contam., 22, 677 (2005),

Applications 5β-Dihydrocortisol 21-O-(1-Ethoxy Ethyl) Ether-d6 is an isotope labelled intermediate in the synthesis of Tetrahydro Cortisone-d6 (T293377), which is a normal mammalian metabolite of Cortisone (C696500).
References Schneider, et al.: J. Biol. Chem., 183, 365 (1950), Barkemeyer, et al.: Appl. Microbiol., 8, 237 (1960),

Applications Acifluorfen is an herbicide against broadleaf weeds. An environmental toxin relating to in vivo toxicity of nitroaromatics.Environmental toxin on US EPA Toxic Release Inventory list (TRI) list.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Gooch, A. et al.: Env. Toxicol. Chem., 36, 2227 (2017);

Applications 1,1'-Oxybis[2-chloro-ethane] is a carcinogen. It is an intermediate used to prepare 2,2'-[Oxybis(2,1-ethanediylimino)]bis-ethanol which is patented as one of the antibacterial oral compositions in mouthwash.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Norpoth, K., et al.: J. Cancer Res. Clin. Oncol., 112, 125 (1986); Weisburger, E., et al.: J. Nat. Cancer. Inst., 67, 75 (1981); Gaffar, A., et al.: U.S. (1980), US 4224309 A 19800923.

Applications Bis[2-(2-mercaptobenzoyl)hydrazide] 2,2'-Dithiobis-benzoic Acid is an intermediate used in the synthesis of N,N’-Bis(2-mercaptobenzoyl)hydrazide (B481825), which is a selective inhibitor of HIV-1 integrase. Has no other effect on other retroviral targets, including reverse transcriptase, protease, and virus attachement, and exhibits no detectable activity against human topoisomerases I and II at concentrations that effectively inhibit integrase.
References Neamati, N., et al.: J. Med. Chem., 45, 5661 (2003)

Applications Chlordene is an organochlorine pesticide/insecticide used in the protection of crops from pests.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Shoeib, M. et al.: Env. Toxicol. Chem., 21, 984 (2002); Parlar, H. et al.: J. Agric. Food. Chem., 27, 278 (1979);

Applications A labelled metabolite of Dapsone (D193250).A representative lot is 73% d8, 23% d7 and 3% d6 with no d0.
References Shin, I., et al.: J. App. Pharmacol., 10, 193 (2002), Bhaiya, P., et al.: Toxicol. App. Pharmacol., 215, 158 (2006), Paixao, P., et al.: Eur. J. Pharm. Sci., 36, 544 (2009),

Applications ((2S,4R)-2-(Chloromethyl)-2-(2,4-dichlorophenyl)-1,3-dioxolan-4-yl)methyl 4-Methylbenzenesulfonate is an intermediate in the synthesis of Itraconazole (I937500), an orally active antimycotic structurally related to Ketoconazole. Antifungal.
References Heykants, J., et al.: Mycoses, 32, Suppl 1, 67 (1989), Sugar, A.M.,et al.: Curr. Clin. Top. Infect. Dis., 13, 74 (1993)

Applications Used in the preparation of triazole antifungal agents.

Applications An intermediate for the synthesis of Atazanavir and the preparation of some peptide analogs.
References Martin, J., et al.: Prog. Med. Chem., 32, 239 (1995), Bold, G., et al.: J. Med. Chem., 41, 3387 (1998).

Applications 7β-Estradiol (E888000) derivative.

Applications (1S,2R,6R)-6-Acetoxy-2-((bis(benzyloxy)phosphoryl)oxy)-4-(ethoxycarbonyl)cyclohex-3-en-1-yl benzoate is an intermediate in the synthesis of Shikimate-3-phosphate (S357026), an substrate for 5-Enolpyruvoyl-shikimate-3-phosphate synthase (EPSPS), the target for the board-spectrum herbicide N-(phosphonomethyl)glycine(glyphosate).
References Mooney, C.A., et al.: J. Med. Chem., 57, 3154 (2014);

Applications Trimazosin is useful in therapy as potent antihypertensive agents.
References Andrews, C., et al.: Pharm. Res., 17, 639 (2000), Davis, A., et al.: Curr. Opin. Chem. Biol., 8, 378 (2004), Votano, J., et al.: J. Med. Chem., 49, 7169 (2006),

Applications Methyl Chlorooxoacetate is used as a reagent in organic synthesis of several compounds including that of coumarin-based probes which fluoresce in response to detection of Pi in cell culture and Caenorhabditis elegans. Also used in the synthesis of phenanthrene β-diketo acids which is being studied as potential HIV-1 integrase inhibitors.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Wang, H., et al.: Dyes Pigments, 120, 293 (2015); Sharma, H., et al.: Bioorg. Med. Chem. Lett., 23, 6146 (2013);

Applications 2-Amino-1-methyl-6-phenylimidazo[4,5-b]pyridine N-β-D-Glucuronide Triacetate is an intermediate in the synthesis of 2-Amino-1-methyl-6-phenylimidazo[4,5-b]pyridine N-β-D-Glucuronide Sodium Salt which is a carcinogenic Sodium Salt, is a metabolite of 2-Amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP) (A617000).
References Turesky, R., et al.: Mutat. Res., 506 187 (2002), Sugimura, T., et al.: Cancer Sci., 95, 290 (2004),

Applications (1-Ethoxycarbonylethyl)triphenylphosphonium Bromide is a reagent that is used in the preparation abd Hepatitis C virus polymerase NS5B inhibitory of cyclohexylpyrazolylmethylacrylic acid.
References Martin S. W., et al.: Bioorg. Med. Chem. Lett., 21, 2869 (2011);

Applications Tolbutamide derivative.
References Relling, et al.: J. Pharmacol. Exp. Ther., 252, 442 (1990), Parent, et al.: J. Pharmacol. Exp. Ther., 261, 780 (1992), Ho, et al.: Life Sci., 52, 21 (1993),

Applications 3,4-Dihydroxyphenylacetic Acid Methyl Ester is a biogenic amine metabolite. 3,4-Dihydroxyphenylacetic Acid Methyl Ester is used in the preparation of antioxidants and bacteriostatic agents. It is used in the synthesis of noncompetitive AMPA receptor antagonists as benzodiazepines, as well as optically active quinolones with dopaminergic properties.
References Verhe, R. et al.: Bull. Lais. Gr. Polyphen., 16, 237 (1992); Anggard, E. et al.: J. Chrom., 50, 251 (1970); Cabedo, N. et al.: J. Med. Chem., 44, 1794 (2001); Zappala, M. et al.: Bioorg. Med. Chem. Lett., 16, 167 (2006);

Applications Protected 17α-Estradiol.
References Bernstein, S., et al.: Biochem., 10, 2941 (1971),

Applications Digoxin-4’’’-O-tetra-O-acetyl β-D-Glucopyranoside is an intermediate in the synthesis of Digoxigenin Tetradigitoxoside (D446510), which is a digoxin (Dx) (D446575) impurity.
References Fujii, Y., et al.: Clin. Chem., 37, 476 (1991), Salphati, L., et al.: Xenobiotica, 29, 171 (1999), Song, S., et al.: Drug Metab. Dispos., 27, 689 (1999),

Applications 10-O-Acetyl SN-38-d3 is the isotope labelled protected metabolite of Irinotecan (I767500), an DNA topoisomerase inhibitor.
References Kunimoto, T., et al.: Cancer Res., 47, 5944 (1987), Shimada, Y., et al.: J. Clin. Oncol., 11, 909 (1993)

Applications 3-​Oxime Estra-​4,​9,​11-​triene-​3,​17-​dione is an intermediate in synthesizing Altrenogest 19,19,20,21,21-d5 (A575757), a labelled Altrenogest (A575755) which is a synthetic progestational agent used in veterinary medicine for the control of estrus in mares.
References Machnik M. et al.: J. Vet. Phamacol. Therap., 30, 86 (2007); Goncalves dos Santos, J.M. et al.: Anim. Reprod. Sci., 84, 407 (2004)

Applications 2,4,6-Trifluorobenzonitrile-15N is an intermediate in the synthesis of Bictegravir-15N, d2 (B382096), which is the labeled version of Bictegravir, which is a novel, potent inhibitor of HIV-1 integrase with an IC50 of 7.5 nM.
References Tsiang M. et al.: Antimicrob Agents Chemother. 2016 Nov 21;60(12):7086-7097;

Applications An intermediate in the synthesis of Amprenavir, a selective HIV protease inhibitor.

Applications N-(Chloromethyl)phthalimide is used in experimental determination of phosmet by high performance liquid chromatography. Phosmet is a phthalimide derived, non-systemic, organophosphate insecticide used on plants and animals.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Dulak, K., et al.: J. Chromatogr., 396, 433 (1987)

Applications Gemfibrozil 1-O-β-D-(3,4,5-O-Triacetyl)glucuronide is an intermediate for the synthesis of Gemfibrozil 1-O-β-Glucuronide (G305755), which is the pure form of Gemfibrozil 1-O-β-Glucuronide (contains up to 15% α isomer) (G305760), and it is the major metabolite of Gemfibrozil. Gemfibrozil is a serum lipid regulating agent used as an antihyperlipoproteinemic.
References Kissebach, A.H., et al.: Atherosclerosis, 24, 199 (1976); Lewis, J.E., et al.: Pract. Cardiol., 9, 99 (1983); Rubins, H.B., et al.: N. Engl. J. Med., 341, 410 (1999)

Stability Hygroscopic
Applications Dihydroxyacetone Phosphate Lithium Salt, is a metabolic intermediate involved in involved in a wide variety of metabolic pathways including glycolysis and lipid biosynthesis. In plants, Dihydroxyacetone phosphate is involved with the synthesis of vitamin B6.
References Jun Ogawa et. al.: et al.: Bioscience, biotechnology, and biochemistry, 67(4), undefined (2003-6-6); John P Richard, Biochemistry, 51(13), undefined (2012-3-14);

Applications 3-tert-Butyldimethylsilyloxyoleyl Carnitine Ester (Mixture of Chloride and Bromide Salts) is an analog of Carnitine (C184110), an essential cofactor for the metabolism of fatty acids.

Applications Intermediate in the preparation of Simvastatin (S485000) derivatives.
References Stokker, G.; J. Org. Chem. 59, 5983 (1994)

Applications (S)-Carnitine Mesylate, Mesylate Salt (cas# 161886-60-8) is a compound useful in organic synthesis.

Applications 3’,5’-Di-O-benzyl Entecavir is an intermediate in the preparation of the hepatitis B antiviral agent, Entecavir (E558900).
References Li, R. et al.: Zhong. Yao., 6, 292 (2008); Bisacchi, G.S. et al.: Bioorg. Med. Chem. Lett., 7, 127 (1997)

Applications Phenobarbital 1,3-Diethyl Butyrate is a byproduct in the synthesis of Phenobarbital 1-Butyric Acid (P316750) which is a Phenobarbital derivative.
References Deleide, G., et al.: Clin. Chimica Acta, 99, 195 (1979),

Applications A metabolite of Quinine (Q694000).
References Small, D.L., et al.: J. Chem. Med., 22, 1014 (1979), Guentert, T.W., et al.: Eur. J. Drug Metab. Pharmacokinet., 7, 31 (1982), Rakhir, A., et al.: J. Pharmacokinet. Biopharm., 12, 1 (1984), Christie, D.J., et al.: J. Lab. Clin. Med., 112, 92 (1988),

Applications (2R,4S)-2-[(2S,5S)-5-(4-Hydroxyphenyl)-3,6-dioxo-2-piperazinyl]-5,5-dimethyl-4-thiazolidinecarboxylic Acid is an impurity in the synthesis of N-(Penicillan-6-yl) Open Ring Amoxicillinamide Disodium Salt , whch is an impurity of Amoxicillin (A634235); a semi-synthetic antibiotic related to Penicillin (P233500). Antibacterial.
References Brogden, R.N., et al.: Drugs, 18, 169 (1979); Bird, A.E., et al.: Anal. Profiles Drug Subs. Excip., 23, 1 (1994)

Applications Triazophos-D5 is the labeled form of Triazophos(T767595). Triazophos is an organophosphorus insecticide.
References Bhosale, B., et al.: Pestol., 33, 38 (2009), Dash, D., et al.: J. Entomol. Res., 33, 105 (2009), Hu, Y., et al.: J. Agric. Food Chem., 58, 2801 (2010),

Applications A coordination compound for treatment of cervix cancer.
References Jiang, M., et al.: Methods Mol. Biol., 292, 401 (2005), Fujii, T., et al.: Int. J. Oncol., 29, 541 (2006), Niu, X., et al.: Int. J. Gynecol. Cancer, 16, 743 (2006),

Stability Hygroscopic
Applications Tiglylcarnitine-d3 is labelled Tiglylcarnitine (T793780), a long-chain fatty ester of carnitine which is accumulated and released into the circulation, in fatty-acid oxidation defects. Pattern of Tiglylcarnitine can be diagnostic for a number of ß-oxidation defects.
References Adams, S., et al.: J. Nutrition, 139, 1073 (2009); Ventura, F., et al.: Clinica Chimica Acta, 281, 1 (1999); Pourfarzam, M., et al.: Clinical Chem,, 40, 2267 (1994); Schaefer, J., et al.: Pediatric Res., 37, 354 (1995)

Impurity Fusidic Acid EP Impurity O
Applications 16-Deacetyl Fusidic Acid Sodium Salt (Fusidic Acid EP Impurity O) is an impurity of Fusidic acid.
References Godtfredsen, W.O., et al.: Antimicrob. Agents Chemother.,132, 1965 (1961),

Stability Moisture, Temperature Sensitive - Seal Tightly, Store in Freezer, Hygroscopic
Applications 3,3-Dibromo Cotinine is a Cotinine derivative used in the synthesis of 4,4-Ditritio-(+)-nicotine, a nicotine enantiomer binding to brain.

Applications 3-Hydroxy Carbamazepine tert-Butyldimethylsilyl Ether is an protected metabolite of Carbamazepine (C175840).
References Park, B., et al.: Biochem. Pharmacol., 36, 581 (1987), Yamazaki, H., et al.: Drug Metab. Dispos., 27, 1260 (1999), Dieckhaus, C., et al.: Chem. Res. Toxicol., 14, 958 (2001),

Applications A labelled, protected Cortisol metabolite.
References Derks, H., et al.: Steroids, 31, 9 (1978),

Applications N-[[P(S),2'R]-2'-deoxy-3'-O-[(1,1-dimethylethyl)dimethylsilyl]-2'-fluoro-2'-methyl-P-phenyl-5'-uridylyl]-L-alanine 1-Methylethyl Ester is an intermediate in the synthesis of Sofosbuvir (R)-Phosphate (S675615), which is an impurity of PSI-7977 (P839640), a prodrug that is metabolized to the active antiviral agent 2'-deoxy-2'-α-fluoro-β-C-methyluridine-5'-monophosphate and is currently being investigated in phase 3 clinical trials for the treatment of hepatitis C. Studies have profiled PSI-7977 as a nucleotide inhibitor of hepatitis C virus, exerting selective inhibitory effects towards HCV NS5B polymerase.
References Lam, A.M.,et al.: Antimicrob. Agents. Chemotherapy., 56, 3359 (2012); Lam, A.M., et al.: J. Virol., 85, 12334 (2011); Sofia, M.J., et al.: J. Medn. Chem., 53, 7202 (2010)

Applications A labelled degradation product of Desloratadine. Desloratadine impurity.
References ,Billah., et al.: Lipids, 26, 1172 (1991), Piwinski., et al.: J. Med. Chem., 34(1), 457 (1991)

Applications Usnic Acid Sodium acts as an antibacterial and antifungal agent, and are often seen used in cosmetics and facial application chemicals.
References Ferrarese, L. et al.: Cosm. Tech. et al.: 11, 25 (2008); Coiffard, C. et al.: Annal. Pharm. Dranc., 57, 392 (1999);

Applications (3β,5α,22E)-3-[[(1,1-Dimethylethyl)diphenylsilyl]oxy] Ergosta-7,22-diene is an intermedate in the synthesis of Episterol which is a compound influencing ergosterol biosynthesis, and thus acting as an antifungal agent.
References Mallory, J. et al.: Pharmacol., 3, 179 (2012); Mueller, C. et al.: Steroids, 78, 483 (2013);

Applications 2-(2-Formamido-4-thiazolyl)glyoxylic Acid is used as a reagent in the synthesis of cephalosporins which are a class of beta-lactam antibiotics which are active against gram-positive and potentially against gram-negative bacteria.
References Takasugi, H., et al.: J. Antibiot., 36, 846 (1983); Choi, K., et al.: J. Antibiot., 48, 1375 (1995);

Applications Eugenol-d3 Methanesulfonate is an intermediate in the synthesis of Labelled Eugenol (E935640), a dental compound which shows cytotoxicity to human oral squamous cell carcinoma and oral cells. When glucosylated, this compound exhibits anti-inflammatory activity.
References Koh, T. et al.: In Vivo, 27, 85 (2013); Zhang, P. et al.: Arch. Pharm. Res., 36, 109 (2013);

Applications Protected Estradiol.
References Lokind, K., et al.: Int. J. Pharm., 127, 155 (1996), Bubert, C., et al.: J. Med. Chem., 50, 4431 (2007), Prokai-Tatrai, K., et al.: Steroids, 73, 280 (2008),

Applications N-[(4-Nitrophenoxy)phenoxyphosphinyl]-L-alanine 1-Methylethyl Ester Mixture is an intermediate in the synthesis of Sofosbuvir (R)-Phosphate (S675615), which is an impurity of PSI-7977 (P839640), a prodrug that is metabolized to the active antiviral agent 2'-deoxy-2'-α-fluoro-β-C-methyluridine-5'-monophosphate and is currently being investigated in phase 3 clinical trials for the treatment of hepatitis C. Studies have profiled PSI-7977 as a nucleotide inhibitor of hepatitis C virus, exerting selective inhibitory effects towards HCV NS5B polymerase.
References Lam, A.M.,et al.: Antimicrob. Agents. Chemotherapy., 56, 3359 (2012); Lam, A.M., et al.: J. Virol., 85, 12334 (2011); Sofia, M.J., et al.: J. Medn. Chem., 53, 7202 (2010)

Applications 1-Ethoxyethanimine-D3 Hydrochloride is an intermediate in the synthesis of Secnidazole-d3 (S225003), which is a labelled Secnidazole (S225000). Analog of Metronidazole. Antiamebic. Antiprotozoal (Trichomonas).
References Cosar, C., et al.: Arzneim.-Forsch., 16, 23 (1966), Videau, D., et al.: Br. J. Vener. Dis., 54, 77 (1978), Symonds, J., et al.: J. Antimicrob. Chemother., 5, 484 (1979),

Stability Unstable in solution (DMSO or Methanol)
Applications Moxalactam Sodium is an oxacephem antibiotic. Moxalactam Sodium is more effective against Escherichia coli and Pseudomonas aeruginosa than cephalosporins.
References Yamamoto, K. et al.: Chemotherapy, 28, 1158 (1980); Toyonaga, Y. et al.: Jap. J. Antibiot., 34, 764 (1981); Nishimura, T. et al.: Jap. J. Antibiot., 34, 800 (1981):

Applications An intermediate in the preparation of heteropolycyclic quinolones.
References Dogan, J. et al.: Heterocycles, 41, 1659 (1995)

Applications (2S,3S,4aR,6R,8R,8aS)-8-[[(2E)-3-[4-(Acetyloxy)-3-methoxyphenyl]-1-oxo-2-propen-1-yl]oxy]octahydro-6-hydroxy-2,3-dimethoxy-2,3-dimethyl-1,4-benzodioxin-6-carboxylic Acid Methyl Ester is an intermediate in the synthesis of 5-O-(E)-Feruloylquinic Acid (F308990). 5-O-(E)-Feruloylquinic Acid is a phenolic acid with potential antioxidant and antifungal activities. Secondary metabolite in the coffee brewing process.
References Matei, M. et al.: J. Agri. Food Chem., 60, 12105 (2012); Dokli, I. et al.: Tetrahedron Asymm., 24, 785 (2013)

Applications 6β-Hydroxy Betamethasone can be used as analyte in analytical study for detecting betamethasone metabolites in human urine using liquid chromatography coupled to tandem mass spectrometry.
References Matabosch, X., et al.: Drug Testing and Analysis, 7, 663-672 (2015)

Impurity Everolimus Impurity
Stability Light and temperature Sensitive
Applications Everolimus Retroaldol Degradation Product is an impurity of Everolimus (E945400). Everolimus is a derivative of Rapamycin. Everolimus inhibits cytokine-mediated lymphocyte proliferation. Everolimus Impurity D
References Dumont, F.J., et al.: Curr. Opin. Invest. Drugs, 2, 1220 (2001), Kovarik, J. M., et al.: Clin. Pharmacol. Ther., 69, 48 (2001), Nashan, B., et al.: Ther. Drug Monit., 24, 53 (2002),

Applications (Z)-Benzyl (2-Amino-2-(hydroxyimino)ethyl)carbamate is an intermediate used in the synthesis of N-((5-Hydroxy-6-oxo-4-((2,4,6-trifluorobenzyl)carbamoyl)-1,6-dihydropyrimidin-2-yl)methyl)-1,3,4-oxadiazole-2-carboxamide (H950690), which is a derivative of Raltegravir (R100305), a potent integrase (IN) inhibitor for WT and S217Q PFV IN.
References Hare, S., et al.: Proc. Natl. Acad. Sci. U. S. A., 107, 20057 (2010); Hicks, C., et al.: Clin. Infect. Dis., 48, 931 (2009); Moss, D., et al.: Antimicrob. Agents Chemother., 56, 3020 (2012); Hare, S., et al.: Mol. Pharmacol., 80, 565 (2011)

Applications (3aR,4R,6aS)-4-Methoxytetrahydrofuro[3,4-b]furan-2(3H)-one is an isomer of an impurity of Darunavir (D193500), a second generation HIV-1-protease inhibitor; structurally similar to amprenavir. Antiviral.
References Koh, Y., et al.: Antimicrob. Agents Chemother., 47, 3123 (2003), Arasteh, K., et al.: AIDS, 19, 943 (2005); Surleraux, D.L.N.G., et al.: J. Med. Chem., 48, 1813 (2005)

Applications Isodecyl Daptomycin is an impurity of Daptomycin (D193350), a cyclic lipopeptide antibiotic derived from a fermentation product of Streptomyces roseosporus. Daptomycin disrupts plasma membrane function in gram-positive bacteria.
References Allen, N.E., et al.: Antimicrob. Agents Chemother., 31, 1093 (1987);Tully, F.P., et al.: Expert Opin. Invest. Drugs, 8, 1223 (1999)

Applications Minodronic acid is developed for osteoporosis treatment.
References Tanishima, S., et al.: Clin. Interv. Aging, 8, 185 (2013)

Impurity Anastrozole Diacid Impurity
Applications Anastroloze Diacid is a derivative of Anastrozole (A637425), an aromatase inhibitor. Used as an antineoplastic. Anastrozole Diacid Imp
References Plourde, P.V., et al.: Breast Cancer Res. Treat., 30, 103 (1994), Buzdar, A.U., et al.: Cancer, 79, 730 (1997)

Applications Protected Varenicline metabolite.

Applications Ophenyl-[4”-(Pentyloxy)[1,1’:4’,1”-terphenyl]-4-yl]carbonyl] Anidulafungin is an impurity of Anidulafungin (A673000) which is used as an antifungal drug.
References Denning, D. W., et al.: J. Antimicrob. Chemother, 40, 611 (1997); Vazquez, J. A., et al.: Clin. Ther., 27(6), 657 (2005);