1,2-Dibromo-1,2-diphenylethane 5789-30-0 Benzene, 1,1'-(1,2-dibromo-1,2-ethanediyl)bis- Bibenzyl, alpha,alpha'-dibromo- EINECS 227-324-7 NSC 16621 Stilbene dibromide alpha,alpha-Dibromobibenzyl