pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.37	IUPAC digitized pKa	0	-1	C=CCC(=O)O	C=CCC(=O)[O-]	mol9126	C=CCC(=O)O
4.33	Datawarrior	0	-1	C=CCC(=O)O	C=CCC(=O)[O-]	mol9126	C=CCC(=O)O
4.34	Organic Oxygen Acids and Nitrogen Bases	0	-1	C=CCC(=O)O	C=CCC(=O)[O-]	mol9126	C=CCC(=O)O
4.68	OCHEM	0	-1	C=CCC(=O)O	C=CCC(=O)[O-]	mol9126	C=CCC(=O)O
4.3299999	OCHEM	0	-1	C=CCC(=O)O	C=CCC(=O)[O-]	mol9126	C=CCC(=O)O
4.35	OCHEM	0	-1	C=CCC(=O)O	C=CCC(=O)[O-]	mol9126	C=CCC(=O)O
4.34000015258789	QSARToolbox	0	-1	C=CCC(=O)O	C=CCC(=O)[O-]	mol9126	C=CCC(=O)O
4.32000017166138	QSARToolbox	0	-1	C=CCC(=O)O	C=CCC(=O)[O-]	mol9126	C=CCC(=O)O
4.32999992370606	QSARToolbox	0	-1	C=CCC(=O)O	C=CCC(=O)[O-]	mol9126	C=CCC(=O)O
4.36999988555908	QSARToolbox	0	-1	C=CCC(=O)O	C=CCC(=O)[O-]	mol9126	C=CCC(=O)O
4.34999990463257	QSARToolbox	0	-1	C=CCC(=O)O	C=CCC(=O)[O-]	mol9126	C=CCC(=O)O