pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.91	IUPAC digitized pKa	1	0	Brc1ccc2[nH+]cccc2c1	Brc1ccc2ncccc2c1	mol4366	Brc1ccc2ncccc2c1
3.87	Organic Oxygen Acids and Nitrogen Bases	1	0	Brc1ccc2[nH+]cccc2c1	Brc1ccc2ncccc2c1	mol4366	Brc1ccc2ncccc2c1
3.91000008583069	QSARToolbox	1	0	Brc1ccc2[nH+]cccc2c1	Brc1ccc2ncccc2c1	mol4366	Brc1ccc2ncccc2c1