pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.90000009536743	QSARToolbox	0	-1	[NH3+]CC(=O)N[C@@H](COP(=O)(O)O)C(=O)[O-],[NH3+]CC(=O)N[C@@H](COP(=O)([O-])O)C(=O)O	[NH3+]CC(=O)N[C@@H](COP(=O)([O-])[O-])C(=O)O,[NH3+]CC(=O)N[C@@H](COP(=O)([O-])O)C(=O)[O-]	mol35238	NCC(=O)NC(COP(=O)(O)O)C(=O)O