pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.8	IUPAC digitized pKa	0	-1	[NH3+]CCO[P@@](=O)([O-])OC[C@H]([NH3+])C(=O)[O-]	NCCO[P@@](=O)([O-])OC[C@H]([NH3+])C(=O)[O-],N[C@@H](CO[P@](=O)([O-])OCC[NH3+])C(=O)[O-]	mol5272	NCCOP(=O)(O)OCC(N)C(=O)O
10.0	IUPAC digitized pKa	-1	-2	NCCO[P@@](=O)([O-])OC[C@H]([NH3+])C(=O)[O-],N[C@@H](CO[P@](=O)([O-])OCC[NH3+])C(=O)[O-]	NCCO[P@@](=O)([O-])OC[C@H](N)C(=O)[O-]	mol5272	NCCOP(=O)(O)OCC(N)C(=O)O