N-甲基哌嗪 、
1-Ethyl-6,7-difluoro-2-methyl-4-[(E)-p-tolylimino]-1,4-dihydro-quinoline-3-carboxylic acid ethyl ester 反应 0.67h,
以86%的产率得到ethyl 1-ethyl-6-fluoro-1,4-dihydro-2-methyl-7-<1''-(4''-methylpiperazinyl)>-4-(4'-methylphenyl)imino-3-quinolinecarboxylate