O=C([O-])/C=C/C1CC[NH2+]CC1    mol16720    0_1
O=C(O)/C=C/C1CCNCC1    mol16720    0_2
O=C(O)/C=C/C1CC[NH2+]CC1    mol16720    1_1
O=C([O-])/C=C/C1CCNCC1    mol16720    -1_1