1-Butene-4-nitrile 109-75-1 2-Butenol-1 3-BUTENENITRILE 3-Butenonitrile 3-Butenylnitrile 3-Cyano-1-propene 3-Cyanopropene AI3-18438 Acetonitrile, vinyl- Allyl cyanide Allylkyanid [Czech] Allylnitrile EINECS 203-701-1 NSC 2583 Propene-3-nitrile TL 350 Vinylacetonitrile beta-Butenonitrile