聚合甲醛 、
(3Z)-5-chloro-1H-indole-2,3-dione 3-(N-methoxy thiosemicarbazone) 、
环丙沙星 以72.53%的产率得到7-[4-{[5-chloro-3-((Z)-2-{[(methyloxy)amino]carbothioyl}hydrazono)-2-oxo-1H-indol-1(2H)-yl]methyl}tetrahydropyrazin-1(2H)-yl]-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid