[O-]c1c2ccccc2[nH+]c2ccccc12    mol5012    0_1
Oc1c2ccccc2nc2ccccc12    mol5012    0_2
Oc1c2ccccc2[nH+]c2ccccc12    mol5012    1_1
[O-]c1c2ccccc2nc2ccccc12    mol5012    -1_1