pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.25	Hunt	0	-1	O=C(O)c1c(Br)cccc1CO	O=C([O-])c1c(Br)cccc1CO	mol1038	O=C(O)c1c(Br)cccc1CO