17α-OHP, also known as 17α-hydroxypregn-4-ene-3,20-dione, is a naturally occurring pregnane steroid. It features ketone groups at the C3 and C20 positions, a hydroxyl group at the C17α position, and a double bond between the C4 and C5 positions. 17α-OHP is the parent compound of a class of progestins referred to as the<unk>  derivatives. Among others, this class of drugs includes chlormadinone acetate, cyproterone acetate, hydroxyprogesterone caproate, medroxyprogesterone acetate, and megestrol acetate.
17α-Hydroxyprogesterone
11β-Hydroxyprogesterone
11α-Hydroxyprogesterone
17α-Methylprogesterone
11-Ketoprogesterone
Methyl-1-testosterone
20α-Dihydrodydrogesterone
17α-Hydroxypregnenolone