pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.21	IUPAC digitized pKa	0	-1	COC(=O)c1ccc(OC)c(O)c1	COC(=O)c1ccc(OC)c([O-])c1	mol10901	COC(=O)c1ccc(OC)c(O)c1