pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
11.3	IUPAC digitized pKa	-1	-2	O=S(=O)([O-])c1cc2ccccc2c(O)c1N=Nc1ccc(Cl)cc1	O=S(=O)([O-])c1cc2ccccc2c([O-])c1N=Nc1ccc(Cl)cc1	mol12139	O=S(=O)(O)c1cc2ccccc2c(O)c1N=Nc1ccc(Cl)cc1