O=C([O-])c1oc(-c2ccccc2)[nH+]c1-c1ccccc1    mol1603    0_1
O=C(O)c1oc(-c2ccccc2)nc1-c1ccccc1    mol1603    0_2
O=C(O)c1oc(-c2ccccc2)[nH+]c1-c1ccccc1    mol1603    1_1