pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-2.47	OCHEM	1	0	Brc1c[nH+]c(Br)c(Br)c1Br	Brc1cnc(Br)c(Br)c1Br	mol6557	Brc1cnc(Br)c(Br)c1Br