1-(Hexahydro-1H-azepin-1-yl)butyronitrile 1H-Azepine-1-butyronitrile, hexahydro- 3194-43-2 4-(Hexamethyleneimino)butyronitrile BRN 1562221 Butyronitrile, 1-(hexahydro-1H-azepin-1-yl)- EINECS 221-694-3 Hexahydro-1H-azepine-1-butyronitrile NSC 165580