. . . . "2-Methylprop-2-enenitrile" . . "Methacrylonitrile" . "Isopropene cyanide" . "Isopropenylcyanid" . . "Methylacrylonitrile" . "Isopropenecyanide" . "methacrylonitrile" . . "2-Cyanopropene" . . "2-Cyano-1-propene" . "Methacrylonitrile" . . . . . . . "Methyl acrylonitrile" . . . . .