pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.65	IUPAC digitized pKa	0	-1	COC(=O)C[C@@](C)(Cc1ccccc1)C(=O)O	COC(=O)C[C@@](C)(Cc1ccccc1)C(=O)[O-]	mol11827	COC(=O)CC(C)(Cc1ccccc1)C(=O)O