Quinazoline e Impurezas

4-Chloro-2-(trifluoromethyl)quinazoline

6,7-Bis(2-methoxyethoxy)quinazolin-4(3H)-one

5-Bromoquinazolin-4-amine

6-Bromo-7-fluoroquinazolin-4-ol

4-Bromoquinazoline

7-bromo-2,4,6-trichloro-8-fluoroquinazoline

Quinazoline-8-carbaldehyde

6-Bromo-2-chloroquinazoline

7-Bromo-2,4-dichloro-8-fluoroquinazoline

(S,E)-4-(DIMETHYLAMINO)-N-(4-((4-FLUOROPHENYL)AMINO)-7-((TETRAHYDROFURAN-3-YL)OXY)QUINAZOLIN-6-YL)BUT-2-ENAMIDE

4-Chloro-6,7-dimethoxy-2-methylquinazoline

4-Chloro-7-methoxy-6-nitroquinazoline

4-Chloro-8-fluoroquinazoline

4-Chloro-2-cyclopropyl-7-fluoroquinazoline

2-(1-Chloroethyl)-3,4-dihydroquinazolin-4-one

2-(4-Bromophenyl)-4-phenylquinazoline

5-Fluoro-2,4-diaminoquinazoline

6,8-dibromo-1,4-dihydroquinazolin-4-one

7-bromo-6-fluoro-1,4-dihydroquinazolin-4-one

N-(3,4-Dichlorophenyl)-7-methoxy-6-nitroquinazolin-4-amine (Dacomitinib Impurity)

3-(8-Methyl-4-oxo-3,4-dihydroquinazolin-3-yl)propanoic acid

N-{1-[7-(but-2-yn-1-yl)-3-methyl-1-[(4-methylquinazolin-2-yl)methyl]-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl]piperidin-3-yl}formamide

N4-(3-Chloro-4-fluorophenyl)-7-ethoxyquinazoline-4,6-diamine (Afatinib Impurity)

2,4-Dichloro-7-(trifluoromethyl)quinazoline

(R)-methyl 2-((1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)carbamoyl)benzoate

8-Bromo-4-chloroquinazoline

3-[2-(3,4-dimethoxyphenyl)ethyl]-2-sulfanyl-3,4-dihydroquinazolin-4-one

(2E)-4-(dimethylamino)-N-{4-oxo-7-[(3S)-oxolan-3-yloxy]-1,4-dihydroquinazolin-6-yl}but-2-enamide

2-Amino-6-bromoquinazolin-4-ol

6-Chloro-4-cyclopropylquinazolin-2(1H)-one

Ethyl 6-bromo-4-chloroquinazoline-2-carboxylate

3-(4-Chloroquinazolin-2-yl)phenyl acetate

4-Chloro-6-fluoro-2-methylquinazoline

2,4-DICHLORO-7-FLUORO-6-METHOXY-QUINAZOLINE

7-chloro-3-(2-methoxy-5-methylphenyl)-2-sulfanylidene-1,2,3,4-tetrahydroquinazolin-4-one

2-Chloro-4-methylquinazoline

6,7-DIFLUOROQUINAZOLIN-4(3H)-ONE

5-Fluoro-4-hydroxyquinazoline

(R,E)-8-(3-aminopiperidin-1-yl)-7-(3-bromobut-2-en-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-1H-purine-2,6(3H,7H)-dione

6-Nitroquinazolin-4(3H)-one

5-BROMO-2-CHLORO-8-QUINAZOLINOL

4-Chloro-6,7-difluoro-2-methylquinazoline

8-Iodoquinazolin-4-ol

Ethyl 8-bromo-4-chloroquinazoline-2-carboxylate

7-chloro-3-[3-(propan-2-yloxy)propyl]-2-sulfanylidene-1,2,3,4-tetrahydroquinazolin-4-one

2-(4-Nitrophenyl)quinazolin-4(1H)-one

4,7-Dichloro-2-methylquinazoline

4-CHLORO-2-(METHYLTHIO)QUINAZOLINE

8-Methoxyquinazoline-2,4(1H,3H)-dione

2,4,5-Trichloroquinazoline

7-(But-2-yn-1-yl)-8-ethoxy-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-1H-purine-2,6(3H,7H)-dione (Linagliptin Impurity)

6-fluoro-2-sulfanylidene-1,2,3,4-tetrahydroquinazolin-4-one

4-Chloro-6-methylquinazoline

tert-Butyl (4-((5-fluoro-7-(2-methoxyethoxy)quinazolin-4-yl)amino)phenyl)carbamate

6-BROMO-7-CHLOROQUINAZOLIN-4-OL

2-({2-[(4-methylphenyl)amino]quinazolin-4-yl}amino)ethan-1-ol

2-chloro-8-methyl-1,4-dihydroquinazolin-4-one

2,4-Dichloro-6-fluoroquinazoline

2,4-Dichloro-6-methoxyquinazoline

8-chloro-2-methyl-1,4-dihydroquinazolin-4-one

(S)-N4-(4-Fluorophenyl)-7-((tetrahydrofuran-3-yl)oxy)quinazoline-4,6-diamine (Afatinib Impurity)

4-Chloro-2,7-dimethylquinazoline

6-bromo-3-(3-ethoxypropyl)-2-sulfanylidene-1,2,3,4-tetrahydroquinazolin-4-one

6-Methoxyquinazolin-4-ol

4-Chloro-8-methylquinazoline

2-Ethylquinazolin-4(1H)-one

2,4-Diamino-5-methyl-6-quinazolinecarbonitrile

2-(4-oxo-1,4-dihydroquinazolin-2-yl)acetonitrile

2,7-dichloro-1,4-dihydroquinazolin-4-one

2-mercaptoquinazolin-4(3H)-one

6-Methylquinazolin-4-ol

6-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)quinazolin-2-amine

2-Chloro-7-methoxyquinazoline

8-Bromoquinazolin-4-amine

(R)-7-(But-2-yn-1-yl)-8-(3-hydroxypiperidin-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-1H-purine-2,6(3H,7H)-dione (Linagliptin Impurity)

6-BROMO-2,7-DICHLORO-QUINAZOLINE

5-Methoxyquinazoline-2,4(1H,3H)-dione

Quinazoline-7-carbaldehyde

4-((4-Bromo-2-fluorophenyl)amino)-6-methoxyquinazolin-7-ol

6-Bromo-5-methylquinazolin-4(3H)-one

N4-(3,4-Difluorophenyl)-7-methoxyquinazoline-4,6-diamine (Dacomitinib Impurity)

7-FLUORO-2-SULFANYLIDENE-1,2,3,4-TETRAHYDROQUINAZOLIN-4-ONE

6-Bromo-4-chloro-2-cyclopropylquinazoline

tert-Butyl 5-((2-(3-hydroxyphenyl)quinazolin-4-yl)amino)-1H-indazole-1-carboxylate

7-Methylquinazolin-4(3H)-one

7-(2-Methoxyethoxy)-4-oxo-1,4-dihydroquinazolin-6-yl acetate

2,6-Dichloroquinazolin-4(3H)-one

methyl 2-(chloromethyl)-4-oxo-1,4-dihydroquinazoline-5-carboxylate

7-Iodoquinazolin-4(1H)-one

6-Bromo-2-chloroquinazolin-4(3H)-one

7-Chloro-2-methyl-3-(5-methylpyridin-2-yl)quinazolin-4(3H)-one

6-chloro-2-(trifluoromethyl)-1,4-dihydroquinazolin-4-one

2-(4-bromophenyl)-1,4-dihydroquinazolin-4-one

3-(3,4-dimethylphenyl)-2-sulfanylidene-1,2,3,4-tetrahydroquinazolin-4-one

Afatinib Dimaleate

tert-Butyl 4-(6-chloro-8-fluoroquinazolin-4-yl)piperazine-1-carboxylate

7-(trifluoromethyl)-1,4-dihydroquinazolin-4-one

5-Bromoquinazoline-2,4(1H,3H)-dione

7-Bromo-6,8-difluoroquinazoline-2,4(1H,3H)-dione

7-Bromo-2-chloroquinazolin-4-amine