pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.695	IUPAC digitized pKa	0	-1	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O	O=[N+]([O-])c1cccc([N+](=O)[O-])c1[O-]	mol1857	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O
3.73	IUPAC digitized pKa	0	-1	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O	O=[N+]([O-])c1cccc([N+](=O)[O-])c1[O-]	mol1857	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O
3.652	IUPAC digitized pKa	0	-1	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O	O=[N+]([O-])c1cccc([N+](=O)[O-])c1[O-]	mol1857	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O
3.611	IUPAC digitized pKa	0	-1	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O	O=[N+]([O-])c1cccc([N+](=O)[O-])c1[O-]	mol1857	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O
3.593	IUPAC digitized pKa	0	-1	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O	O=[N+]([O-])c1cccc([N+](=O)[O-])c1[O-]	mol1857	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O
3.582	IUPAC digitized pKa	0	-1	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O	O=[N+]([O-])c1cccc([N+](=O)[O-])c1[O-]	mol1857	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O
3.578	IUPAC digitized pKa	0	-1	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O	O=[N+]([O-])c1cccc([N+](=O)[O-])c1[O-]	mol1857	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O
3.97	Organic Oxygen Acids and Nitrogen Bases	0	-1	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O	O=[N+]([O-])c1cccc([N+](=O)[O-])c1[O-]	mol1857	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O
3.965	OCHEM	0	-1	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O	O=[N+]([O-])c1cccc([N+](=O)[O-])c1[O-]	mol1857	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O
3.71	OCHEM	0	-1	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O	O=[N+]([O-])c1cccc([N+](=O)[O-])c1[O-]	mol1857	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O
3.7	OCHEM	0	-1	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O	O=[N+]([O-])c1cccc([N+](=O)[O-])c1[O-]	mol1857	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O
3.97000002861023	QSARToolbox	0	-1	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O	O=[N+]([O-])c1cccc([N+](=O)[O-])c1[O-]	mol1857	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O
3.72000002861023	QSARToolbox	0	-1	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O	O=[N+]([O-])c1cccc([N+](=O)[O-])c1[O-]	mol1857	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O
3.76999998092651	QSARToolbox	0	-1	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O	O=[N+]([O-])c1cccc([N+](=O)[O-])c1[O-]	mol1857	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O
3.73000001907349	QSARToolbox	0	-1	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O	O=[N+]([O-])c1cccc([N+](=O)[O-])c1[O-]	mol1857	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O
3.69000005722046	QSARToolbox	0	-1	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O	O=[N+]([O-])c1cccc([N+](=O)[O-])c1[O-]	mol1857	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O
3.96499991416931	QSARToolbox	0	-1	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O	O=[N+]([O-])c1cccc([N+](=O)[O-])c1[O-]	mol1857	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O
3.89	AttenGpKa training set	0	-1	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O	O=[N+]([O-])c1cccc([N+](=O)[O-])c1[O-]	mol1857	O=[N+]([O-])c1cccc([N+](=O)[O-])c1O