3-(6-aminohexylamino)propanenitrile

N'-propan-2-ylhexane-1,6-diamine

1-amino-3-[6-(aminocarbamothioylamino)hexyl]thiourea

N-(6-aminohexyl)-2,2,2-trifluoroacetamide

N',N'-di(quinolin-4-yl)hexane-1,6-diamine