pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.2	IUPAC digitized pKa	0	-1	CCCC(=O)OO	CCCC(=O)O[O-]	mol481	CCCC(=O)OO
8.1999998	OCHEM	0	-1	CCCC(=O)OO	CCCC(=O)O[O-]	mol481	CCCC(=O)OO
8.19999980926514	QSARToolbox	0	-1	CCCC(=O)OO	CCCC(=O)O[O-]	mol481	CCCC(=O)OO