pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-0.09	IUPAC digitized pKa	1	0	Cc1ccc([N+](=O)[O-])c([NH3+])c1	Cc1ccc([N+](=O)[O-])c(N)c1	mol2540	Cc1ccc([N+](=O)[O-])c(N)c1
-0.899999976158142	QSARToolbox	1	0	Cc1ccc([N+](=O)[O-])c([NH3+])c1	Cc1ccc([N+](=O)[O-])c(N)c1	mol2540	Cc1ccc([N+](=O)[O-])c(N)c1