pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.53	IUPAC digitized pKa	0	-1	O=C1CCc2cc(O)ccc21	O=C1CCc2cc([O-])ccc21	mol10838	O=C1CCc2cc(O)ccc21