pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.95	IUPAC digitized pKa	1	0	Nc1ncc(Br)c[nH+]1,[NH3+]c1ncc(Br)cn1	Nc1ncc(Br)cn1	mol2455	Nc1ncc(Br)cn1
1.95000004768372	QSARToolbox	1	0	Nc1ncc(Br)c[nH+]1,[NH3+]c1ncc(Br)cn1	Nc1ncc(Br)cn1	mol2455	Nc1ncc(Br)cn1