pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.9	Baltruschat ChEMBL	-1	-2	O=C([O-])c1nc(-c2nccs2)nc(O)c1O	O=C([O-])c1nc(-c2nccs2)nc(O)c1[O-],O=C([O-])c1nc(-c2nccs2)nc([O-])c1O	mol21203	O=C(O)c1nc(-c2nccs2)nc(O)c1O