pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.15	IUPAC digitized pKa	0	-1	CCC(CC)C(CC)(C(=O)O)C(=O)O	CCC(CC)C(CC)(C(=O)[O-])C(=O)O	mol11269	CCC(CC)C(CC)(C(=O)O)C(=O)O
7.31	IUPAC digitized pKa	-1	-2	CCC(CC)C(CC)(C(=O)[O-])C(=O)O	CCC(CC)C(CC)(C(=O)[O-])C(=O)[O-]	mol11269	CCC(CC)C(CC)(C(=O)O)C(=O)O