2,5-Pyrrolidinedione, 3-phenyl-1-((4-pyridinylmethylene)amino)- 2-Phenyl-N-(4-pyridylmethylideneimino)succinimide 5-21-11-00192 (Beilstein Handbook Reference) 66064-20-8 BRN 1484179 Succinimide, 2-phenyl-N-(4-pyridylmethylideneimino)-