NCCCNCCCN mol3156 0_1 NCCCNCCC[NH3+] mol3156 1_1 NCCC[NH2+]CCCN mol3156 1_2 NCCC[NH2+]CCC[NH3+] mol3156 2_1 [NH3+]CCCNCCC[NH3+] mol3156 2_2 [NH3+]CCC[NH2+]CCC[NH3+] mol3156 3_1