O=C([O-])c1ccccc1[NH+]=CC=Cc1ccccc1    mol32531    0_1
O=C(O)c1ccccc1N=CC=Cc1ccccc1    mol32531    0_2
O=C(O)c1ccccc1[NH+]=CC=Cc1ccccc1    mol32531    1_1
OC(=[OH+])c1ccccc1N=CC=Cc1ccccc1    mol32531    1_2