pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.0	OCHEM	0	-1	COC(=O)c1sccc1S(=O)(=O)NC(=O)Nc1nc(C)nc(OC)n1	COC(=O)c1sccc1S(=O)(=O)[N-]C(=O)Nc1nc(C)nc(OC)n1	mol1933	COC(=O)c1sccc1S(=O)(=O)NC(=O)Nc1nc(C)nc(OC)n1