1H-Isoindole-1,3(2H)-dione, 2-(4-chloro-3-nitrophenyl)-4,5,6,7-tetrahydro- 2-(4-Chloro-3-nitrophenyl)-4,5,6,7-tetrahydro-1H-isoindole-1,3(2H)-dione 76995-59-0