pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.87	OCHEM	0	-1	CC(C)(O)CCC(=O)O	CC(C)(O)CCC(=O)[O-]	mol22257	CC(C)(O)CCC(=O)O
4.86999988555908	QSARToolbox	0	-1	CC(C)(O)CCC(=O)O	CC(C)(O)CCC(=O)[O-]	mol22257	CC(C)(O)CCC(=O)O