pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.0	OCHEM	0	-1	CC(=O)C[C@@H](c1ccccc1)c1c(O)oc2ccccc2c1=O	CC(=O)C[C@@H](c1ccccc1)c1c([O-])oc2ccccc2c1=O	mol31920	CC(=O)CC(c1ccccc1)c1c(O)oc2ccccc2c1=O