pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.43	IUPAC digitized pKa	0	-1	O=C1CCc2cccc(O)c21	O=C1CCc2cccc([O-])c21	mol10839	O=C1CCc2cccc(O)c21