pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.61	IUPAC digitized pKa	0	-1	CC(C)(C)C(C)(CC(=O)O)CC(=O)O	CC(C)(C)C(C)(CC(=O)[O-])CC(=O)O	mol11268	CC(C)(C)C(C)(CC(=O)O)CC(=O)O
7.49	IUPAC digitized pKa	-1	-2	CC(C)(C)C(C)(CC(=O)[O-])CC(=O)O	CC(C)(C)C(C)(CC(=O)[O-])CC(=O)[O-]	mol11268	CC(C)(C)C(C)(CC(=O)O)CC(=O)O