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ATD has many names in sports supplements including: 1,4,6 etiollochan-dione, 3, 17-keto-etiochol-triene, androst-1,4,6-triene-3,17-dione and many others. These all refer to CAS# 633-35-2. ATD may cause a positive test for the anabolic steroid Boldenone, of which it is a possible metabolite and production contaminant. ATD is also prohibited in ...
Epiandrosterone, or isoandrosterone, [1] [2] also known as 3β-androsterone, 3β-hydroxy-5α-androstan-17-one, or 5α-androstan-3β-ol-17-one, is a steroid hormone with weak androgenic activity. It is a metabolite of testosterone and dihydrotestosterone (DHT). It was first isolated in 1931, by Adolf Friedrich Johann Butenandt and Kurt Tscherning.
Dienedione, also known as estra-4,9-diene-3,17-dione, is a synthetic, orally active anabolic-androgenic steroid (AAS) of the 19-nortestosterone group that was never introduced for medical use. It is thought to be a prohormone of dienolone . [ 1 ]
Bonnie Prudden (née Ruth Alice Prudden; January 29, 1914 – December 11, 2011) was an American physical fitness pioneer, rock climber and mountaineer.Her report to Eisenhower on the unfitness of American children as compared with their European counterparts led to the formation of the President's Council on Youth Fitness.
Androstenedione, or 4-androstenedione (abbreviated as A4 or Δ 4-dione), also known as androst-4-ene-3,17-dione, is an endogenous weak androgen steroid hormone and intermediate in the biosynthesis of estrone and of testosterone from dehydroepiandrosterone (DHEA).
In enzymology, a 3,4-dihydroxy-9,10-secoandrosta-1,3,5(10)-triene-9,17-dione 4,5-dioxygenase (EC 1.13.11.25) is an enzyme that catalyzes the chemical reaction 3,4-dihydroxy-9,10-secoandrosta-1,3,5(10)-triene-9,17-dione + O 2 ⇌ {\displaystyle \rightleftharpoons } 3-hydroxy-5,9,17-trioxo-4,5:9,10-disecoandrosta-1(10),2-dien-4-oate
The book grew out of the annual climbing course run since 1935 by the Mountaineers, for which the reading material was originally a combination of European works and lecturers' mimeo outlines. These were assembled into the Climber's Notebook and published by the Mountaineers as the hardbound Mountaineers Handbook in 1948.
Trendione (developmental code name RU-2065; nickname Trenavar), also known as estra-4,9,11-triene-3,17-dione, is an androgen prohormone as well as metabolite of the anabolic steroid trenbolone.