<unk> , IUPAC name 17β-hydroxy-5α-androst-1-en-3-one, also known as 4,5α-dihydro-δ1-testosterone (Δ1-DHT) or as 5α-androst-1-en-17β-ol-3-one, is a synthetic androstane steroid and a derivative of dihydrotestosterone (DHT). Derivatives Two prohormones of<unk>  are 1-androstenediol and 1-androstenedione, the latter of which may be synthesized from stanolone acetate. Mesabolone is a ketal made from<unk> .<unk>  also is known to be used to synthesize mestanolone and metenolone. Methyl-1-testosterone is the 17α-methyl derivative of<unk> . Detection in body fluids Doping with<unk>  can be detected in urine samples using gas chromatography.
1-Testosterone
3α-Androstanediol
3β-Androstanediol
11β-Methyl-19-nortestosterone
Testosterone phenylacetate
16α-Hydroxyestrone
Dehydroepiandrosterone
19-Nor-5-androstenedione