英文别名6-ACETOXY-4-CHLORO-7-METHOXYQUINAZOLINE; 4-Chloro-6-acetoxy-7-methoxyquinazoline; 4-Chloro-7-methoxy-6-quinazolinol 6-acetate; 4-Chloro-7-methoxyquinazolin-6-yl acetate; Gefitinib intermediate V; 6-Quinazolinol, 4-chloro-7-Methoxy-, 6-acetate; Gefitinib Impurity X; 6-acetyloxy-7-methoxy-4-chloroquinazoline; acetic acid 4-chloro-7-methoxyquinazolin-6-yl ester; acetic acid 4-chloro-7-methoxy-6-quinazolinyl ester; 4-Chloro-7-methoxy-6-quinazolinyl acetate; 6-Quinazolinol, 4-chloro-7-methoxy-, acetate (ester) 
