2,4-Imidazolidinedione, 5,5'-(methylenebis(thiomethylene))bis(3-phenyl- (9CI) 22139-83-9 H 4 Hydantoin, 3,3'-diphenyl-5,5'-(methylenedithiodimethylene)- Hydantoin, 5,5'-(methylenedithiodimethylene)bis(3-phenyl- Hydrantoin, 5,5'-(methylenebis(thiomethylene))bis(3-phenyl- (8CI)