4-chloro-2,3-dioxoindoline-5-carboxylic acid 、 2-(3-Chloro-4-hydroxyphenyl) aceto-hydrazide 以a 66% yield of the title compound was obtained as yellow solid from 4-chloro-2,3-dioxoindoline-5-carboxylic acid and 2-(3-chloro-4-hydroxyphenyl) aceto-hydrazide的产率得到(3Z)-4-chloro-3-{[2-(3-chloro-4-hydroxy-phenyl)-acetyl]-hydrazono}-2-oxo-2,3-dihydro-1H-indole-5-carboxylic acid