pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-1.5	IUPAC digitized pKa	1	0	CS(=O)(=O)c1cccc[nH+]1	CS(=O)(=O)c1ccccn1	mol6528	CS(=O)(=O)c1ccccn1