pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.51999998092651	QSARToolbox	0	-1	[NH3+][C@H](CCP(=O)([O-])O)C(=O)O,[NH3+][C@H](CCP(=O)(O)O)C(=O)[O-]	[NH3+][C@H](CCP(=O)([O-])O)C(=O)[O-]	mol34319	NC(CCP(=O)(O)O)C(=O)O