pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.7800002	OCHEM	0	-1	CC=CC1=C(O)C(=O)c2ccccc2C1=O	CC=CC1=C([O-])C(=O)c2ccccc2C1=O	mol32321	CC=CC1=C(O)C(=O)c2ccccc2C1=O