(E)-1,2-Dicyanoethylene 2-Butenedinitrile, (2E)- 2-Butenedinitrile, (E)- 2-Butenedinitrile, (E)- (9CI) 764-42-1 CCRIS 1629 EINECS 212-122-3 FUMARONITRILE Fumaric acid dinitrile Fumaric nitrile Fumarodinitrile Fumarsaeuredinitril [German] Furmaronitrile NSC 17555 trans-1,2-Dicyanoethene trans-1,2-Dicyanoethylene