pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.15000009536743	QSARToolbox	0	-1	COc1ccc(OC(=O)CC(=O)O)cc1	COc1ccc(OC(=O)CC(=O)[O-])cc1	mol34407	COc1ccc(OC(=O)CC(=O)O)cc1