pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.89	IUPAC digitized pKa	0	-1	Cc1ccc(S(=O)(=O)[O-])c(C)[nH+]1	Cc1ccc(S(=O)(=O)[O-])c(C)n1	mol6480	Cc1ccc(S(=O)(=O)O)c(C)n1
4.8899998664856	QSARToolbox	0	-1	Cc1ccc(S(=O)(=O)[O-])c(C)[nH+]1	Cc1ccc(S(=O)(=O)[O-])c(C)n1	mol6480	Cc1ccc(S(=O)(=O)O)c(C)n1