Quinazoline e Impurezze

5-Fluoroquinazoline

4-Chloro-8-methylquinazoline

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

(R,Z)-tert-Butyl (1-(7-(3-bromobut-2-en-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)carbamate (Linagliptin Impurity)

Ethyl 4-oxo-3,4-dihydroquinazoline-2-carboxylate

8-BROMO-2,4-DICHLORO-6-METHOXYQUINAZOLINE

(7-Chloro-3-methyl-4-oxo-6-((prop-2-ynyl(4-(pyridin-3-ylmethylcarbamoyl)phenyl)amino)methyl)-3,4-dihydroquinazolin-2-yl)methyl acetate

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

2-chloro-6-methoxy-1,4-dihydroquinazolin-4-one

7-Bromo-4-methoxyquinazoline

2-[(6-BROMOQUINAZOLIN-4-YL)(ETHYL)AMINO]ETHAN-1-OL

7-Bromo-2-methylquinazolin-4(3H)-one

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

2-Chloro-7-methoxyquinazoline

6-(trifluoromethyl)quinazolin-2-amine

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

2-Amino-6-bromoquinazolin-4-ol

2-(4-Bromophenyl)-4-phenylquinazoline

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

6-Bromo-2,4-dichloroquinazoline