2-(4-hydroxy-phenyl)-propionic acid hydrazide 、
5-(N-pyrrolidino-2-ethyl)-4,7-dimethylisatin hydrochloride 以a 74% yield of the title compound was obtained from 2-(4-Hydroxy-phenyl)-propionic acid hydrazide and 4,7-Dimethyl-5-(2-pyrrolidin-1-yl-ethyl)-1H-indole-2,3-dione hydrochloride as a yellow solid的产率得到2-(4-hydroxy-phenyl)-propionic acid [(3Z)-4,7-dimethyl-2-oxo-5-(2-pyrrolidin-1-yl-ethyl)-1,2-dihydro-indol-3-ylidene]-hydrazide hydrochloride