pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.05	IUPAC digitized pKa	1	0	[NH3+]Nc1ccc(Br)cc1,N[NH2+]c1ccc(Br)cc1	NNc1ccc(Br)cc1	mol8813	NNc1ccc(Br)cc1
5.5	QSARToolbox	1	0	[NH3+]Nc1ccc(Br)cc1,N[NH2+]c1ccc(Br)cc1	NNc1ccc(Br)cc1	mol8813	NNc1ccc(Br)cc1