pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.23	OCHEM	0	-1	O=C1C=C(O)[C@@H](Br)O1	O=C1C=C([O-])[C@@H](Br)O1	mol33093	O=C1C=C(O)C(Br)O1
2.23000001907349	QSARToolbox	0	-1	O=C1C=C(O)[C@@H](Br)O1	O=C1C=C([O-])[C@@H](Br)O1	mol33093	O=C1C=C(O)C(Br)O1