pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.3	IUPAC digitized pKa	0	-1	[NH3+]CC(=O)CC(=O)[O-]	NCC(=O)CC(=O)[O-]	mol5252	NCC(=O)CC(=O)O
2.9	IUPAC digitized pKa	1	0	[NH3+]CC(=O)CC(=O)O	[NH3+]CC(=O)CC(=O)[O-]	mol5252	NCC(=O)CC(=O)O
2.90000009536743	QSARToolbox	1	0	[NH3+]CC(=O)CC(=O)O	[NH3+]CC(=O)CC(=O)[O-]	mol5252	NCC(=O)CC(=O)O