abstract |
Quinazoline derivatives represented by formula (I) ** Formula ** in the formula, R1 represents phenyl or aromatic heterocyclic groups that are optionally substituted with 1 to 3 substituents selected from halogen, C1-6 alkyl, haloalkyl C1-6 containing 1 to 6 halogen and C1-6 alkoxy atoms; and n is an integer from 1 to 3 or one of its salts. |