pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.65	Datawarrior	0	-1	O=S1(=O)C=C(O)c2ccccc21	O=S1(=O)C=C([O-])c2ccccc21	mol12751	O=S1(=O)C=C(O)c2ccccc21
7.6500001	OCHEM	0	-1	O=S1(=O)C=C(O)c2ccccc21	O=S1(=O)C=C([O-])c2ccccc21	mol12751	O=S1(=O)C=C(O)c2ccccc21
7.65000009536743	QSARToolbox	0	-1	O=S1(=O)C=C(O)c2ccccc21	O=S1(=O)C=C([O-])c2ccccc21	mol12751	O=S1(=O)C=C(O)c2ccccc21