3-Amino-2-butenenitrile1118-61-2100 % similar Acrylonitrile107-13-136 % similar Polyacrylonitrile25014-41-936 % similar Geranyl nitrile5146-66-734 % similar 4-Amino-3-penten-2-one1118-66-733 % similar 3-(Cyanomethylene)cyclobutanecarbonitrile1153949-98-430 % similar