pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.78	OCHEM	0	-1	O=C(O)C(=O)/C=C(\O)c1ccc2ccccc2c1	O=C([O-])C(=O)/C=C(\O)c1ccc2ccccc2c1	mol32034	O=C(O)C(=O)/C=C(\O)c1ccc2ccccc2c1