1-Pyrrolidinebutanenitrile35543-25-031 % similar 5-Bromovaleronitrile5414-21-131 % similar 4-Methylpentanenitrile542-54-131 % similar Hexanenitrile628-73-931 % similar 5-Chloropentanenitrile6280-87-131 % similar 3-[(3-Methylphenyl)amino]propanenitrile27618-25-331 % similar Malononitrile109-77-330 % similar