pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.79	IUPAC digitized pKa	1	0	[NH3+]c1cccc2cccc([N+](=O)[O-])c12	Nc1cccc2cccc([N+](=O)[O-])c12	mol2431	Nc1cccc2cccc([N+](=O)[O-])c12
2.78999996185303	QSARToolbox	1	0	[NH3+]c1cccc2cccc([N+](=O)[O-])c12	Nc1cccc2cccc([N+](=O)[O-])c12	mol2431	Nc1cccc2cccc([N+](=O)[O-])c12