pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.49	IUPAC digitized pKa	-1	-2	Nc1cc2c(O)cc(S(=O)(=O)O)cc2cc1S(=O)(=O)[O-],Nc1cc2c(O)cc(S(=O)(=O)[O-])cc2cc1S(=O)(=O)O	Nc1cc2c(O)cc(S(=O)(=O)[O-])cc2cc1S(=O)(=O)[O-]	mol11457	Nc1cc2c(O)cc(S(=O)(=O)O)cc2cc1S(=O)(=O)O
8.54	IUPAC digitized pKa	-2	-3	Nc1cc2c(O)cc(S(=O)(=O)[O-])cc2cc1S(=O)(=O)[O-]	Nc1cc2c([O-])cc(S(=O)(=O)[O-])cc2cc1S(=O)(=O)[O-]	mol11457	Nc1cc2c(O)cc(S(=O)(=O)O)cc2cc1S(=O)(=O)O