(Z)-2-Butenenitrile (Z)-Crotononitrile 1190-76-7 2-Butenenitrile, (Z)- 4-02-00-01507 (Beilstein Handbook Reference) BRN 1719746 Crotononitrile, (Z)- (8CI) Isocrotonic nitrile Isocrotononitrile (6CI,7CI) cis-1-Propenyl cyanide cis-2-Butenenitrile cis-Crotononitrile cis-Cyanopropene cis-beta-Methylacrylonitrile