C1CNCCOCC[NH2+]CC[NH2+]C1 mol34595 2_1 C1C[NH2+]CCNCCOCC[NH2+]C1 mol34595 2_2 C1CNCC[NH2+]CCOCC[NH2+]C1 mol34595 2_3 C1C[NH2+]CC[NH2+]CCOCC[NH2+]C1 mol34595 3_1