pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.6	IUPAC digitized pKa	1	0	COc1c[nH+]cc(Br)c1	COc1cncc(Br)c1	mol6392	COc1cncc(Br)c1
2.59999990463257	QSARToolbox	1	0	COc1c[nH+]cc(Br)c1	COc1cncc(Br)c1	mol6392	COc1cncc(Br)c1