pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.44999980926514	QSARToolbox	0	-1	COc1c(C)cc(C=O)c(C=O)c1C(=O)O	COc1c(C)cc(C=O)c(C=O)c1C(=O)[O-]	mol33791	COc1c(C)cc(C=O)c(C=O)c1C(=O)O