pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.8	IUPAC digitized pKa	1	0	[NH3+]c1ccc(Br)c([N+](=O)[O-])c1	Nc1ccc(Br)c([N+](=O)[O-])c1	mol1648	Nc1ccc(Br)c([N+](=O)[O-])c1
1.79999995231628	QSARToolbox	1	0	[NH3+]c1ccc(Br)c([N+](=O)[O-])c1	Nc1ccc(Br)c([N+](=O)[O-])c1	mol1648	Nc1ccc(Br)c([N+](=O)[O-])c1