pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-5.58	IUPAC digitized pKa	1	0	Brc1c[nH+]oc1-c1ccccc1	Brc1cnoc1-c1ccccc1	mol6722	Brc1cnoc1-c1ccccc1