Synonyms: Benzene,1,1'-(1,2-ethenediyl)bis[4-chloro-, (E)-; Stilbene, 4,4'-dichloro-, (E)- (8CI);(E)-1,2-Bis(4-chlorophenyl)ethene; (E)-4,4'-Dichlorostilbene;4,4'-Dichloro-trans-stilbene; trans-4,4'-Dichlorostilbene;trans-Dichlorostilbene; trans-p,p'-Dichlorostilbene