pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.33	OCHEM	0	-1	O=C(O)CCc1ccc(Br)cc1	O=C([O-])CCc1ccc(Br)cc1	mol21255	O=C(O)CCc1ccc(Br)cc1