pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-2.49	IUPAC digitized pKa	1	0	[NH3+]c1cc([N+](=O)[O-])ccc1[N+](=O)[O-]	Nc1cc([N+](=O)[O-])ccc1[N+](=O)[O-]	mol6028	Nc1cc([N+](=O)[O-])ccc1[N+](=O)[O-]
-2.49000000953674	QSARToolbox	1	0	[NH3+]c1cc([N+](=O)[O-])ccc1[N+](=O)[O-]	Nc1cc([N+](=O)[O-])ccc1[N+](=O)[O-]	mol6028	Nc1cc([N+](=O)[O-])ccc1[N+](=O)[O-]