pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.4	OCHEM	0	-1	O=C(O)C[C@@H](O)c1ccccc1	O=C([O-])C[C@@H](O)c1ccccc1	mol31723	O=C(O)C[C@@H](O)c1ccccc1