pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.96000003814697	QSARToolbox	0	-1	CCCCC(C(=O)O)C(=O)O	CCCCC(C(=O)[O-])C(=O)O	mol38609	CCCCC(C(=O)O)C(=O)O