Quinazoline e Impurezas

4-Chloro-2-cyclopropyl-7-fluoroquinazoline

3-(2,4-Dioxo-1,2,3,4-tetrahydroquinazolin-1-yl)propanoic acid

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

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

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

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

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

4-Chloroquinazoline

6-BROMO-7-CHLOROQUINAZOLIN-4-OL

3-(6-Bromo-4-oxoquinazolin-3(4H)-yl)-2-methylpropanoic acid

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

6-bromo-5-methyl-1,4-dihydroquinazolin-4-one

7-(2-CHLOROETHOXY)-N-(3-ETHYNYLPHENYL)-6-(2-METHOXYETHOXY)QUINAZOLIN-4-AMINE

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)

4-Chloro-7-(trifluoromethyl)quinazoline

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

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

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

6-Nitroquinazolin-4(3H)-one

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