CCOc1nc([O-])cc[nH+]1    mol12979    0_1
CCOc1nccc(O)n1    mol12979    0_2
CCOc1nc(O)cc[nH+]1    mol12979    1_1
CCOc1nccc(O)[nH+]1    mol12979    1_2
CCOc1nccc([O-])n1    mol12979    -1_1