O=C(O)CCc1c[nH]cn1    mol12978    0_1
O=C([O-])CCc1c[nH]c[nH+]1    mol12978    0_2
O=C(O)CCc1c[nH]c[nH+]1    mol12978    1_1
O=C(O)CCc1c[n-]cn1    mol12978    -1_1
O=C([O-])CCc1c[nH]cn1    mol12978    -1_2