pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.0	QSARToolbox	-1	-2	CC(=O)C1=C([O-])C(C)(C)C(O)=C(C(C)=O)C1=O	CC(=O)C1=C([O-])C(C)(C)C([O-])=C(C(C)=O)C1=O	mol34688	CC(=O)C1=C(O)C(C)(C)C(O)=C(C(C)=O)C1=O