16-alfa,17-dihydroxypregn-4-en-3,20-dion. Ett dihydroxyderivat av progesteron, vars acetonid har antiinflammatoriska egenskaper.
(16-alfa(R))-16,17-((1-fenyletyliden)bis(oxy))pregn-4-en-3,20-dion. Ett progesteron som använts för estrussynkronisering och som utvärderats som preventivmedel i kombination med östradiolenantat. Anvä nds också som lokalt antiinfammatoriskt medel och för lokal behandling av akne.

I'm sorry for the confusion, but "Algeston" is not a term commonly used in medical terminology. It's possible that there may be a spelling mistake or it could be a brand name of a medication in a specific language or region. If you meant "Algestica," it is a brand name for ibuprofen, which is a non-steroidal anti-inflammatory drug (NSAID) used to treat pain, fever, and inflammation.

If you had something else in mind or need more information about NSAIDs or any other medical topic, please provide more context or clarify your question, and I'd be happy to help!

I'm sorry for the confusion, but "Algestonacetofenid" doesn't appear to be a valid medical or pharmaceutical term in English or in other languages. It's possible that there may be a spelling error or a misunderstanding of the name of a particular medication.

If you meant "Algestone acetonide," it is a synthetic corticosteroid used in the treatment of various inflammatory and allergic conditions, such as skin disorders and endometriosis. It works by reducing inflammation and suppressing the immune system's response to irritants or allergens.

Please let me know if you have any further questions or if there was a misunderstanding in your question.