Synonyms: Thiophene,2,2'-(1,2-ethenediyl)bis-, (E)-; Thiophene, 2,2'-vinylenedi-, (E)- (8CI);(E)-1,2-Di-2-thienylethylene; 2,2'-(1E)-1,2-Ethenediylbis[thiophene];trans-1,2-Bis(2-thienyl)ethene; trans-1,2-Bis(2-thienyl)ethylene;trans-1,2-Di(2-thienyl)ethylene; trans-1,2-Di-2-thienylethene