pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.4	IUPAC digitized pKa	1	0	[NH3+]c1cc(Br)c2ccccc2c1	Nc1cc(Br)c2ccccc2c1	mol2104	Nc1cc(Br)c2ccccc2c1
3.40000009536743	QSARToolbox	1	0	[NH3+]c1cc(Br)c2ccccc2c1	Nc1cc(Br)c2ccccc2c1	mol2104	Nc1cc(Br)c2ccccc2c1