pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.44	IUPAC digitized pKa	0	-1	CCC[NH+](CC(=O)[O-])CC(=O)O	CCC[NH+](CC(=O)[O-])CC(=O)[O-]	mol10259	CCCN(CC(=O)O)CC(=O)O
2.49000000953674	QSARToolbox	0	-1	CCC[NH+](CC(=O)[O-])CC(=O)O	CCC[NH+](CC(=O)[O-])CC(=O)[O-]	mol10259	CCCN(CC(=O)O)CC(=O)O
10.09	IUPAC digitized pKa	-1	-2	CCC[NH+](CC(=O)[O-])CC(=O)[O-]	CCCN(CC(=O)[O-])CC(=O)[O-]	mol10259	CCCN(CC(=O)O)CC(=O)O