Metribolone
Synonyms
17 beta-Hydroxy-17 alpha-methylestra-4,9,11-trien-3-one
Estra-4,9,11-trien-3-one, 17-hydroxy-17-methyl-, (17beta)-
Methyltrienolone
R 1881
R-1881
R1881
Ru 1881
Ru-1881
Ru1881
A synthetic non-aromatizable androgen and anabolic steroid. It binds strongly to the androgen receptor and has therefore also been used as an affinity label for this receptor in the prostate and in prostatic tumors.