2H-ISOINDOLE-1-CARBOXALDEHYDE, 4,5,6,7-TETRAHYDRO-5(or 6)-METHYL-2-PHENYL-, (2,4 2H-Isoindole-1-carboxaldehyde, 4,5,6,7-tetrahydro-5(or 6)-methyl-2-phenyl-, (2,4-dinitrophenyl)hydrazone 61863-52-3