pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.35	OCHEM	0	-1	Nc1ccc(C(=O)O)cc1Cl	Nc1ccc(C(=O)[O-])cc1Cl	mol20545	Nc1ccc(C(=O)O)cc1Cl