pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.55	IUPAC digitized pKa	0	-1	CCc1ccc([C@@H](O)C(=O)O)cc1	CCc1ccc([C@@H](O)C(=O)[O-])cc1	mol11230	CCc1ccc(C(O)C(=O)O)cc1