pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.53	Organic Oxygen Acids and Nitrogen Bases	0	-1	COc1ccc(C=CC(=O)O)cc1OC	COc1ccc(C=CC(=O)[O-])cc1OC	mol21794	COc1ccc(C=CC(=O)O)cc1OC
4.53000020980835	QSARToolbox	0	-1	COc1ccc(C=CC(=O)O)cc1OC	COc1ccc(C=CC(=O)[O-])cc1OC	mol21794	COc1ccc(C=CC(=O)O)cc1OC