O=C([O-])/C=C\c1c[nH]c[nH+]1    mol12976    0_1
O=C(O)/C=C\c1c[nH]cn1    mol12976    0_2
O=C(O)/C=C\c1c[nH]c[nH+]1    mol12976    1_1
O=C([O-])/C=C\c1c[nH]cn1    mol12976    -1_1
O=C(O)/C=C\c1c[n-]cn1    mol12976    -1_2