pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.8	OCHEM	0	-1	CCC(O)(CC)C(=O)O	CCC(O)(CC)C(=O)[O-]	mol33008	CCC(O)(CC)C(=O)O
3.79999995231628	QSARToolbox	0	-1	CCC(O)(CC)C(=O)O	CCC(O)(CC)C(=O)[O-]	mol33008	CCC(O)(CC)C(=O)O