pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.96	IUPAC digitized pKa	0	-1	O=[N+]([O-])c1cccc(O)c1[N+](=O)[O-]	O=[N+]([O-])c1cccc([O-])c1[N+](=O)[O-]	mol729	O=[N+]([O-])c1cccc(O)c1[N+](=O)[O-]
4.98	IUPAC digitized pKa	0	-1	O=[N+]([O-])c1cccc(O)c1[N+](=O)[O-]	O=[N+]([O-])c1cccc([O-])c1[N+](=O)[O-]	mol729	O=[N+]([O-])c1cccc(O)c1[N+](=O)[O-]
4.97	OCHEM	0	-1	O=[N+]([O-])c1cccc(O)c1[N+](=O)[O-]	O=[N+]([O-])c1cccc([O-])c1[N+](=O)[O-]	mol729	O=[N+]([O-])c1cccc(O)c1[N+](=O)[O-]
4.96000003814697	QSARToolbox	0	-1	O=[N+]([O-])c1cccc(O)c1[N+](=O)[O-]	O=[N+]([O-])c1cccc([O-])c1[N+](=O)[O-]	mol729	O=[N+]([O-])c1cccc(O)c1[N+](=O)[O-]
5.23	AttenGpKa training set	0	-1	O=[N+]([O-])c1cccc(O)c1[N+](=O)[O-]	O=[N+]([O-])c1cccc([O-])c1[N+](=O)[O-]	mol729	O=[N+]([O-])c1cccc(O)c1[N+](=O)[O-]