pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
11.25	IUPAC digitized pKa	-1	-2	O=C([O-])c1cc(N=Nc2ccc(Cl)cc2)c2ccccc2c1O	O=C([O-])c1cc(N=Nc2ccc(Cl)cc2)c2ccccc2c1[O-]	mol12174	O=C(O)c1cc(N=Nc2ccc(Cl)cc2)c2ccccc2c1O