pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.21000003814697	QSARToolbox	0	-1	O=C(O)c1ccccc1SP(=O)(O)O	O=C([O-])c1ccccc1SP(=O)(O)O	mol34322	O=C(O)c1ccccc1SP(=O)(O)O