2-(4-Fluorophenyl)propanohydrazide 、
5-(N,N-diethylamino-2-ethyl)-4,7-dimethylisatin hydrochloride 以a 69% yield of the title compound was obtained from 2-(4-Fluoro-phenyl)-propionic acid hydrazide and 5-(2-Diethylamino-ethyl)-4,7-dimethyl-1H-indole-2,3-dione hydrochloride as a yellow solid的产率得到2-(4-fluoro-phenyl)-propionic acid [(3Z)-5-(2-diethylamino-ethyl)-4,7-dimethyl-2-oxo-1,2-dihydro-indol-3-ylidene]-hydrazide