C1CNCCNCCC[NH2+]CCNC1 mol13216 1_1 C1CNCC[NH2+]CCCNCC[NH2+]C1 mol13216 2_1 C1CNCC[NH2+]CCC[NH2+]CCNC1 mol13216 2_2 C1CNCCNCCC[NH2+]CC[NH2+]C1 mol13216 2_3