pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.27999997138977	QSARToolbox	0	-1	O=C(O)c1cccc(C(=O)O)c1Br	O=C([O-])c1cccc(C(=O)O)c1Br	mol33785	O=C(O)c1cccc(C(=O)O)c1Br