pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.47	IUPAC digitized pKa	0	-1	CC[C@@H](ON)C(=O)O,CC[C@@H](O[NH3+])C(=O)[O-]	CC[C@@H](ON)C(=O)[O-]	mol8494	CCC(ON)C(=O)O
3.32999992370605	QSARToolbox	1	0	CC[C@@H](O[NH3+])C(=O)O	CC[C@@H](ON)C(=O)O,CC[C@@H](O[NH3+])C(=O)[O-]	mol8494	CCC(ON)C(=O)O