pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.13000011444092	QSARToolbox	0	-1	[NH3+][C@@H](COP(=O)([O-])O)C(=O)NCC(=O)O,[NH3+][C@@H](COP(=O)(O)O)C(=O)NCC(=O)[O-]	[NH3+][C@@H](COP(=O)([O-])O)C(=O)NCC(=O)[O-]	mol35079	NC(COP(=O)(O)O)C(=O)NCC(=O)O