上游原料
6,7-dimethoxy-4(3H)-quinazolinone4-chloro-6,7-dimethoxyquinazoline; 4-chloro-6-methoxy-7-quinazolinyl methyl ether2-Amino-4,5-dimethoxybenzoic acid methyl ester; Methyl 2-amino-4,5-dimethoxybenzoate; Methyl 4,5-dimethoxyanthranilate4-amino-3-chlorophenol2-chloro-4-[(6,7-dimethoxy-4-quinazolinyl)oxy]aniline; 2-chloro-4-[(6,7-dimethoxy-4-quinazolinyl)oxy]phenylamine
