O=C(O)[C@@H]1CCNC[C@@H]1O    mol19439    0_1
O=C([O-])[C@@H]1CC[NH2+]C[C@@H]1O    mol19439    0_2
O=C(O)[C@@H]1CC[NH2+]C[C@@H]1O    mol19439    1_1
O=C([O-])[C@@H]1CCNC[C@@H]1O    mol19439    -1_1