1,1'-(1,2-Ethenediyl)bisbenzene 1,1'-(1,2-Ethenediyl)dibenzene 1,2-Diphenylethylene 588-59-0 BRN 1904445 Benzene, 1,1'-(1,2-ethenediyl)bis- Bibenzal Bibenzylidene Bibenzylidine EINECS 209-621-3 STILBENE Stilben [German] alpha,beta-Diphenylethylene