pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.47999954223633	QSARToolbox	-1	-2	O=C([O-])CCCCCNS(=O)(=O)c1ccccc1	O=C([O-])CCCCC[N-]S(=O)(=O)c1ccccc1	mol33986	O=C(O)CCCCCNS(=O)(=O)c1ccccc1