pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.72	IUPAC digitized pKa	0	-1	O=c1cccc(Br)cc1O	O=c1cccc(Br)cc1[O-]	mol10066	O=c1cccc(Br)cc1O
5.7	OCHEM	0	-1	O=c1cccc(Br)cc1O	O=c1cccc(Br)cc1[O-]	mol10066	O=c1cccc(Br)cc1O