pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.15	Hunt	0	-1	COC(=O)C[C@@](C)(C(=O)O)c1ccccc1	COC(=O)C[C@@](C)(C(=O)[O-])c1ccccc1	mol2020	COC(=O)C[C@@](C)(C(=O)O)c1ccccc1