pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.4	IUPAC digitized pKa	1	0	CC(C)S(=O)(=O)c1ccc([NH3+])cc1	CC(C)S(=O)(=O)c1ccc(N)cc1	mol1690	CC(C)S(=O)(=O)c1ccc(N)cc1
1.39999997615814	QSARToolbox	1	0	CC(C)S(=O)(=O)c1ccc([NH3+])cc1	CC(C)S(=O)(=O)c1ccc(N)cc1	mol1690	CC(C)S(=O)(=O)c1ccc(N)cc1