Quinazoline e Impurezas

6-Bromo-7-methoxyquinazolin-4(1H)-one

2,4-Dichloro-7-methylquinazoline

6-Hydroxyquinazolin-4(1H)-one

2-(Chloromethyl)quinazoline

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

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

(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)

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

4-Chloro-8-methylquinazoline

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

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

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

4-Bromoquinazoline

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

6-(trifluoromethyl)quinazolin-2-amine

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