pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.53	IUPAC digitized pKa	0	-1	O=C(O)[C@@H]1C[C@H]1c1ccc(Cl)cc1	O=C([O-])[C@@H]1C[C@H]1c1ccc(Cl)cc1	mol11331	O=C(O)[C@@H]1C[C@H]1c1ccc(Cl)cc1