2-chloromethyl-4-(3,4-dimethoxyphenyl)-6,7-dimethoxyquinoline-3-carboxylic acid ethyl ester 、
N-甲基苯胺 以to give ethyl 4-(3,4-dimethoxyphenyl)-2-(N-methyl-N-phenylaminomethyl)-6,7-dimethoxyquinoline-3-carboxylate的产率得到ethyl 4-(3,4-dimethoxyphenyl)-2-(N-methyl-N-phenylaminomethyl)-6,7-dimethoxyquinoline-3-carboxylate