N1,N12-diethylspermine
N1,N12-dipropyl-N1,N4,N9,N12-tetratosylspermine
N1,N4,N9,N12-tetra(p-toluenesulfonyl)-1,12-bis(ethylamino)-4,9-diazadodecane
3,7,11,16,20,24-hexakis(p-tolylsulfonyl)-3,7,11,16,20,24-hexaazahexacosane
N1,N4,N9,N12-tetra(p-toluenesulfonyl)-4,9-diaza-1,12-diaminododecane