1,1,2,2-Tetraphenylethylene 632-51-9 AI3-19250 Benzene, 1,1',1'',1'''-(1,2-ethendiylidene)tetrakis- Benzene, 1,1',1'',1'''-(1,2-ethenediylidene)tetrakis- EINECS 211-179-1 Ethylene, tetraphenyl- (8CI) NSC 40472 NSC 52243 Tetraphenylethene Tetraphenylethylene