Synonyms: 1H-Isoindol-1-one, 3,3'-((2-chloro-1,4-phenylene)dinitrilo)bis(4,5,6,7-tetrachloro-2,3-dihydro-;3,3'-((2-Chloro-p-phenylene)dinitrilo)bis(tetrachlorophthalimidine);3,3'-((2-Chloro-1,4-phenylene)dinitrilo)bis(4,5,6,7-tetrachloro-2,3-dihydro-1H-isoindol-1-one);3,3'-[(2-chlorobenzene-1,4-diyl)diimino]bis(4,5,6,7-tetrachloro-1H-isoindol-1-one)