<unk> , also known as 4α,5-epoxy-3,17β-dihydroxy-5α-androst-2-ene-2-carbonitrile, is a synthetic androstane steroid and a derivative of 5α-reduced androstane derivatives like 3α-androstanediol, 3β-androstanediol, and dihydrotestosterone. Synthesis<unk>  is prepared from testosterone in a four-step synthesis.
Trilostane
Mepitiostane
Oprelvekin
Epitiostanol
Ganirelix
Triptorelin
Vosoritide
Atosiban