pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.2	IUPAC digitized pKa	1	0	[NH3+]c1cc(Br)c(O)c(Br)c1	Nc1cc(Br)c(O)c(Br)c1	mol3337	Nc1cc(Br)c(O)c(Br)c1
3.20000004768372	QSARToolbox	1	0	[NH3+]c1cc(Br)c(O)c(Br)c1	Nc1cc(Br)c(O)c(Br)c1	mol3337	Nc1cc(Br)c(O)c(Br)c1