Methylstenbolone
Methylstenbolone, known by the nicknames M-Sten, Methyl-Sten, and Ultradrol, is a synthetic and orally active anabolic–androgenic steroid and a 17α-methylated derivative of dihydrotestosterone which was never introduced for medical use. It is a designer steroid and has been sold via the internet as a supposed dietary/nutritional supplement.Chemistry
Methylstenbolone, also known as 2,17α-dimethyl-δ1-4,5α-dihydrotestosterone or as 2,17α-dimethyl-5α-androst-1-en-17β-ol-3-one, is a synthetic androstane steroid and a 17α-alkylated derivative of DHT. It is the 17α-methylated derivative of stenbolone, as well as the δ1-isomer of methasterone. Related AAS include mestanolone and methyl-1-testosterone.