5, 5'-(Diacetylamino)-2, 2'-dimethylazoxybenzene

5, 5'-(Dodecanedioyldiimino)-bis(2, 4, 6-triiodo-N-methylisophthalamate

5, 5'-(Dodecanedioyldiimino)-bis(2, 4, 6-triiodo-N-methylisophthalamate meglumine

5, 5'-(Isopropylidenebis(4, 1-phenyleneoxysulphonyl-2, 1-phenyleneazo))bis(6-amino-4-hydroxynaphthalene-2-sulphonic) acid, sodium salt

5, 5'-(Methylimino)bis(2-(3, 4-dimethoxyphenyl)-2-(1-methylethyl)pentanenitrile)

5, 5'-(Phenylmethylene)bis(11-ethyl-11H-benzo(a)carbazole

5, 5'-(Propane-1, 3-diyl)bisimidazolidine-2, 4-dione

5, 5'-(Salicylidene)bis-(2-thiobarbituric acid)

5, 5'-(Tetramethylenedithio)di-1, 3, 4-thiadiazole-2-thiol

5, 5'-(Thiobis(p-phenyleneazo))bis(3-methylsalicylic) acid, sodium salt

5, 5'-(Thiodimethylene)bis(4-phenyl-4H-1, 2, 4-triazole-2-thiol)

5, 5'-(Vinylenebis((3-sulpho-p-phenylene)azo))bis(3-methylsalicylic) acid, potassium salt, compound with 2, 2', 2''-nitrilotriethanol

5, 5'-Azodibarbituric acid, barium sodium salt

5, 5'-Bi-2-benzofuran-1, 1', 3, 3'-tetrone

5, 5'-Bi-2H-tetrazole, ammonium salt (1:2)

5, 5'-Bi-p-toluquinone

5, 5'-Bibarbituric acid, 5, 5'-isopentyl-, sodium salt

5, 5'-Bipyrimidine

5, 5'-Bis(2-(4-(benzo(d)isothiazol-3-yl)piperazin-1-yl)ethyl)-6, 6'-dichloro-3-hydroxy-(3, 3'-biindoline)-2, 2'-dione

5, 5'-Bis(8-(phenylamino)-1-naphthalenesulfonate)