21322-38-3 3,3'-(Ethylenebis((benzylimino)methylene))bis(5,5-diphenylhydantoin) 5-24-08-00379 (Beilstein Handbook Reference) BRN 0740134 Hydantoin, 3,3'-(ethylenebis((benzylimino)methylene))bis(5,5-diphenyl-