pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.08	OCHEM	0	-1	Cc1cnc(NC(=O)C2=C(O)c3ccccc3S(=O)(=O)N2C)s1	Cc1cnc(NC(=O)C2=C([O-])c3ccccc3S(=O)(=O)N2C)s1	mol16283	Cc1cnc(NC(=O)C2=C(O)c3ccccc3S(=O)(=O)N2C)s1