pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.231	IUPAC digitized pKa	0	-1	Cc1cc([N+](=O)[O-])c(O)c([N+](=O)[O-])c1	Cc1cc([N+](=O)[O-])c([O-])c([N+](=O)[O-])c1	mol740	Cc1cc([N+](=O)[O-])c(O)c([N+](=O)[O-])c1
4.23	Organic Oxygen Acids and Nitrogen Bases	0	-1	Cc1cc([N+](=O)[O-])c(O)c([N+](=O)[O-])c1	Cc1cc([N+](=O)[O-])c([O-])c([N+](=O)[O-])c1	mol740	Cc1cc([N+](=O)[O-])c(O)c([N+](=O)[O-])c1
4.31	OCHEM	0	-1	Cc1cc([N+](=O)[O-])c(O)c([N+](=O)[O-])c1	Cc1cc([N+](=O)[O-])c([O-])c([N+](=O)[O-])c1	mol740	Cc1cc([N+](=O)[O-])c(O)c([N+](=O)[O-])c1
4.23000001907349	QSARToolbox	0	-1	Cc1cc([N+](=O)[O-])c(O)c([N+](=O)[O-])c1	Cc1cc([N+](=O)[O-])c([O-])c([N+](=O)[O-])c1	mol740	Cc1cc([N+](=O)[O-])c(O)c([N+](=O)[O-])c1
4.23099994659424	QSARToolbox	0	-1	Cc1cc([N+](=O)[O-])c(O)c([N+](=O)[O-])c1	Cc1cc([N+](=O)[O-])c([O-])c([N+](=O)[O-])c1	mol740	Cc1cc([N+](=O)[O-])c(O)c([N+](=O)[O-])c1
4.06	AttenGpKa training set	0	-1	Cc1cc([N+](=O)[O-])c(O)c([N+](=O)[O-])c1	Cc1cc([N+](=O)[O-])c([O-])c([N+](=O)[O-])c1	mol740	Cc1cc([N+](=O)[O-])c(O)c([N+](=O)[O-])c1