pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.24	OCHEM	0	-1	O=[N+]([O-])c1ccc(S(=O)(=O)Nc2ccc(Cl)cc2)cc1	O=[N+]([O-])c1ccc(S(=O)(=O)[N-]c2ccc(Cl)cc2)cc1	mol18857	O=[N+]([O-])c1ccc(S(=O)(=O)Nc2ccc(Cl)cc2)cc1