pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.74000000953674	QSARToolbox	0	-1	CNc1ccccc1S(=O)(=O)O	CNc1ccccc1S(=O)(=O)[O-]	mol36557	CNc1ccccc1S(=O)(=O)O
2.58999991416931	QSARToolbox	0	-1	CNc1ccccc1S(=O)(=O)O	CNc1ccccc1S(=O)(=O)[O-]	mol36557	CNc1ccccc1S(=O)(=O)O
2.45000004768372	QSARToolbox	0	-1	CNc1ccccc1S(=O)(=O)O	CNc1ccccc1S(=O)(=O)[O-]	mol36557	CNc1ccccc1S(=O)(=O)O