pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.65	IUPAC digitized pKa	0	-1	CN(C=O)c1ccccc1S	CN(C=O)c1ccccc1[S-]	mol10780	CN(C=O)c1ccccc1S