pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.29	IUPAC digitized pKa	-1	-2	O=C([O-])c1cc(=O)c(O)co1	O=C([O-])c1cc(=O)c([O-])co1	mol9532	O=C(O)c1cc(=O)c(O)co1
7.75	IUPAC digitized pKa	-1	-2	O=C([O-])c1cc(=O)c(O)co1	O=C([O-])c1cc(=O)c([O-])co1	mol9532	O=C(O)c1cc(=O)c(O)co1
7.68	IUPAC digitized pKa	-1	-2	O=C([O-])c1cc(=O)c(O)co1	O=C([O-])c1cc(=O)c([O-])co1	mol9532	O=C(O)c1cc(=O)c(O)co1