(3E)-3-[2-(4-Methoxyphenyl)hydrazin-1-ylidene]-1-methyl-2,3-dihydro-1H-indol-2-one(3E)-3-[2-(4-Methoxyphenyl)hydrazin-1-ylidene]-1-methyl-2,3-dihydro-1H-indol-2-one, tech
