ethyl 8-[chloro(difluoro)methoxy]-6,7-difluoro-4-oxo-1-[4-(pyrrolidin-1-ylmethyl)phenyl]-1,4-dihydroquinoline-3-carboxylate 、
4-{[乙基(甲基)氨基]甲基}苯胺 生成 ethyl 8-[chloro(difluoro)methoxy]-1-(4-{[ethyl(methyl)amino]methyl}phenyl)-6,7-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylate