pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.58	IUPAC digitized pKa	0	-1	O=C(O)c1nc2ccccc2nc1O	O=C([O-])c1nc2ccccc2nc1O	mol10937	O=C(O)c1nc2ccccc2nc1O
9.43	IUPAC digitized pKa	-1	-2	O=C([O-])c1nc2ccccc2nc1O	O=C([O-])c1nc2ccccc2nc1[O-]	mol10937	O=C(O)c1nc2ccccc2nc1O