pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.59	IUPAC digitized pKa	0	-1	O=C(c1ccccc1O)n1cccc1	O=C(c1ccccc1[O-])n1cccc1	mol11551	O=C(c1ccccc1O)n1cccc1