pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.09999990463257	QSARToolbox	-1	-2	Cc1cc(O)c(C(=O)[O-])cc1S(=O)(=O)O	Cc1cc(O)c(C(=O)[O-])cc1S(=O)(=O)[O-]	mol34421	Cc1cc(O)c(C(=O)O)cc1S(=O)(=O)O
12.9700002670288	QSARToolbox	-2	-3	Cc1cc(O)c(C(=O)[O-])cc1S(=O)(=O)[O-]	Cc1cc([O-])c(C(=O)[O-])cc1S(=O)(=O)[O-]	mol34421	Cc1cc(O)c(C(=O)O)cc1S(=O)(=O)O