C1CNCCNCCNC1 mol13094 0_1 C1CNCC[NH2+]CCNC1 mol13094 1_1 C1CNCCNCC[NH2+]C1 mol13094 1_2 C1CNCC[NH2+]CC[NH2+]C1 mol13094 2_1 C1C[NH2+]CCNCC[NH2+]C1 mol13094 2_2