pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.7	IUPAC digitized pKa	1	0	CS(=O)(=O)c1cccc2ccc([NH3+])cc12	CS(=O)(=O)c1cccc2ccc(N)cc12	mol6295	CS(=O)(=O)c1cccc2ccc(N)cc12
2.70000004768372	QSARToolbox	1	0	CS(=O)(=O)c1cccc2ccc([NH3+])cc12	CS(=O)(=O)c1cccc2ccc(N)cc12	mol6295	CS(=O)(=O)c1cccc2ccc(N)cc12