O=C([O-])[C@H]1C[NH2+]CC[C@@H]1O    mol19443    0_1
O=C(O)[C@H]1CNCC[C@@H]1O    mol19443    0_2
O=C(O)[C@H]1C[NH2+]CC[C@@H]1O    mol19443    1_1
O=C([O-])[C@H]1CNCC[C@@H]1O    mol19443    -1_1