pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.34	OCHEM	0	-1	Nc1ccc(C(=O)O)cc1I	Nc1ccc(C(=O)[O-])cc1I	mol20546	Nc1ccc(C(=O)O)cc1I