Sinestrol (syn.). - (indført fra GKS). Synonymer: 6-Hydroxyprogesteron, 6'-Methylnionanilat, Gestanol, Dehydroestrel, Diogamonin, Gestrion, Methacrylsyresteroid 6', Testolan, Testosteroid, Teosterol, Hexestron, Ethylethylendiol-2,17-diol, Hormonolaxygener og progestin ).
Kommercielle navne. Hemafon, Infekundin, Ekstrol, Getrol, Katefit, Lysiden,