pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.78	IUPAC digitized pKa	0	-1	CC(C)C(C)(CC(=O)O)CC(=O)O	CC(C)C(C)(CC(=O)[O-])CC(=O)O	mol10928	CC(C)C(C)(CC(=O)O)CC(=O)O
6.92	IUPAC digitized pKa	-1	-2	CC(C)C(C)(CC(=O)[O-])CC(=O)O	CC(C)C(C)(CC(=O)[O-])CC(=O)[O-]	mol10928	CC(C)C(C)(CC(=O)O)CC(=O)O