pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.52	OCHEM	0	-1	CCC=CCC(=O)O	CCC=CCC(=O)[O-]	mol32405	CCC=CCC(=O)O
4.51	OCHEM	0	-1	CCC=CCC(=O)O	CCC=CCC(=O)[O-]	mol32405	CCC=CCC(=O)O
4.51999998092651	QSARToolbox	0	-1	CCC=CCC(=O)O	CCC=CCC(=O)[O-]	mol32405	CCC=CCC(=O)O
4.51000022888184	QSARToolbox	0	-1	CCC=CCC(=O)O	CCC=CCC(=O)[O-]	mol32405	CCC=CCC(=O)O