pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.2	OCHEM	0	-1	CNC(=O)c1cc2cc(S(N)(=O)=O)sc2s1	CNC(=O)c1cc2cc(S([NH-])(=O)=O)sc2s1	mol16638	CNC(=O)c1cc2cc(S(N)(=O)=O)sc2s1