pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.25999999046326	QSARToolbox	1	0	ON=[NH+]c1ccc(Br)cc1	ON=Nc1ccc(Br)cc1	mol34358	ON=Nc1ccc(Br)cc1