pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.96000003814697	QSARToolbox	0	-1	COc1ccc(/C=C/C(=O)C(=O)O)cc1	COc1ccc(/C=C/C(=O)C(=O)[O-])cc1	mol34620	COc1ccc(/C=C/C(=O)C(=O)O)cc1