2,7-Dihydroxy-9-fluorenone;Tilorone dihydrochloride;Anthracene;9-Anthraldehyde;9-Anthracenemethanol;9-Anthracenecarboxylic Acid;2,7-diphenyl-9H-Fluoren-9-one;2-Methyl-5-propionylfuran;2,3,3',4'-BiphenyLtetracarboxylic;3,4'-Oxydiphthalic Anhydride;2,2-Bis[4-(3,4-dicarboxyphenoxy) phenyl]propanedianhydride;5,5'-(1,4-Phenylene)bis(isobenzofuran-1,3-dione);Tetrahydro-3a,6a-dimethylcyclobuta[1,2-c:3,4-c']difuran-1,3,4,6-tetrone;Bathocuproinedisulfonic acid disodiuM salt;2-Iodobenzoic acid;Boron triiodide