(1R,2S)-2-(3-Hydroxy-3-methyloctyl)-5-oxocyclopentanheptansaeure (1R,2S)-2-(3-Hydroxy-3-methyloctyl)-5-oxocyclopentneheptanoic acid 15-Hydroxy-15-methyl-9-oxoprostansaeure 33813-84-2 AY 22,469 AY 22469 AY-22,469 Deprostil Deprostil [USAN:INN] Prostan-1-oic acid, 15-hydroxy-15-methyl-9-oxo-