1,1,2-Triphenylethylene 1,2,2-Triphenylethylene 58-72-0 Benzene, 1,1',1''-(1-ethenyl-2-ylidene)tris- Benzilidenediphenylmethane EINECS 200-395-1 Ethylene, triphenyl- NSC 17535 TRIPHENYLETHYLENE Triphenylethene