pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.30000019073486	QSARToolbox	0	-1	Nc1ccc2ccccc2c1OS(=O)(=O)O	Nc1ccc2ccccc2c1OS(=O)(=O)[O-]	mol35539	Nc1ccc2ccccc2c1OS(=O)(=O)O