pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.45000004768372	QSARToolbox	0	-1	O=[N+]([O-])c1ccccc1P(=O)(O)O	O=[N+]([O-])c1ccccc1P(=O)([O-])O	mol28975	O=[N+]([O-])c1ccccc1P(=O)(O)O
1.365	AttenGpKa training set	0	-1	O=[N+]([O-])c1ccccc1P(=O)(O)O	O=[N+]([O-])c1ccccc1P(=O)([O-])O	mol28975	O=[N+]([O-])c1ccccc1P(=O)(O)O
6.73999977111816	QSARToolbox	-1	-2	O=[N+]([O-])c1ccccc1P(=O)([O-])O	O=[N+]([O-])c1ccccc1P(=O)([O-])[O-]	mol28975	O=[N+]([O-])c1ccccc1P(=O)(O)O
6.895	AttenGpKa training set	-1	-2	O=[N+]([O-])c1ccccc1P(=O)([O-])O	O=[N+]([O-])c1ccccc1P(=O)([O-])[O-]	mol28975	O=[N+]([O-])c1ccccc1P(=O)(O)O