(E)-.alpha.,.alpha.'-Dicyanostilbene (E)-.alpha.,.alpha.'-Stilbenedicarbonitrile 2-Butenedinitrile, 2,3-diphenyl-, (E)- 2450-55-7 Diphenylfumarodinitrile Fumaronitrile, diphenyl- NSC405877 trans-.alpha.,.beta.-Dicyanostilbene trans-Diphenyldicyanoethylene