pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.55	OCHEM	0	-1	O=S(=O)(O)c1ccccc1	O=S(=O)([O-])c1ccccc1	mol28307	O=S(=O)(O)c1ccccc1
2.54999995231628	QSARToolbox	0	-1	O=S(=O)(O)c1ccccc1	O=S(=O)([O-])c1ccccc1	mol28307	O=S(=O)(O)c1ccccc1