1H-Isoindol-1-one, 3,3'-((2-chloro-1,4-phenylene)dinitrilo)bis(2,3-dihydro- 3,3'-((2-Chloro-1,4-phenylene)dinitrilo)bis(2,3-dihydro-1H-isoindol-1-one) 3,3'-((2-Chloro-p-phenylene)dinitrilo)bisphthalimidine 60009-98-5 EINECS 262-020-8