O=C([O-])[C@@H]1C[C@@H](O)C[NH2+]1    mol9431    0_1
O=C(O)[C@@H]1C[C@@H](O)CN1    mol9431    0_2
O=C(O)[C@@H]1C[C@@H](O)C[NH2+]1    mol9431    1_1
O=C([O-])[C@@H]1C[C@@H](O)CN1    mol9431    -1_1