pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.39999997615814	QSARToolbox	1	0	O=P(O)(O)C[NH2+]CP(=O)(O)O	O=P([O-])(O)C[NH2+]CP(=O)(O)O	mol34204	O=P(O)(O)CNCP(=O)(O)O
5.51000022888184	QSARToolbox	-1	-2	O=P([O-])([O-])C[NH2+]CP(=O)(O)O,O=P([O-])(O)C[NH2+]CP(=O)([O-])O,O=P([O-])(O)CNCP(=O)(O)O	O=P([O-])([O-])C[NH2+]CP(=O)([O-])O	mol34204	O=P(O)(O)CNCP(=O)(O)O