Cyfystyron:

(E)-1,2-Diphenylethylene;(E)-Stilbene;1,1'-(1E)-1,2-Ethenediylbis[bensen];NSC 2069;traws-1,2-Diphenylethene;traws-1,2-Diphenylethylene;traws-Diphenylethene;traws-Stilbene

Gwenau Canonaidd:C1=CC=C(C=C1)C=CC2=CC=CC=C2