pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.96000003814697	QSARToolbox	0	-1	O=C(O)C(=O)C=Cc1ccc(Br)cc1	O=C([O-])C(=O)C=Cc1ccc(Br)cc1	mol38616	O=C(O)C(=O)C=Cc1ccc(Br)cc1