1	N4P	N,N-bis(3-aminopropyl)butane-1,4-diamine	1.000
2	9AH	4-(dipropylamino)butanenitrile	0.857
3	B5L	N~1~,N~1~,N~1~-tris(3-azaniumylpropyl)butane-1,4-diaminium	0.778