pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.15	IUPAC digitized pKa	0	-1	COC(=O)C[C@@](C)(C(=O)O)c1ccccc1	COC(=O)C[C@@](C)(C(=O)[O-])c1ccccc1	mol11668	COC(=O)CC(C)(C(=O)O)c1ccccc1