O=C(O)c1ncccn1    mol1344    0_1
O=C([O-])c1nccc[nH+]1    mol1344    0_2
O=C([O-])c1[nH+]ccc[nH+]1    mol1344    1_1
O=C(O)c1nccc[nH+]1    mol1344    1_2
O=C([O-])c1ncccn1    mol1344    -1_1