Quinazoline e Impurezas

5-Fluoroquinazoline

(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)

Quinazoline-7-carbaldehyde

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

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

7-Bromo-4-methoxyquinazoline

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

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

2-Chloro-7-methoxyquinazoline

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

2-(4-Bromophenyl)-4-phenylquinazoline

2-Amino-6-bromoquinazolin-4-ol

3-(4-Oxo-3,4-dihydroquinazolin-3-yl)propanenitrile

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

6-Bromo-2,4-dichloroquinazoline

1-Isopropyl-4-(4-isopropylphenyl)-6-(prop-2-yn-1-ylamino)quinazolin-2(1H)-one

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

4,7-Dichloro-2-methylquinazoline

6-(trifluoromethyl)quinazolin-2-amine

4-Chloro-6-methylquinazoline