Pregn-4-en-3-one, 20-hydroxy-, (20S)-
Pregn-4-en-3-one, 20α-hydroxy-
(20S)-20-Hydroxypregn-4-en-3-one
20α-Dihydroprogesterone
20α-Hydroxydihydroprogesterone
20α-Hydroxy-Δ4-pregnen-3-one
20α-Hydroxy-4-pregnen-3-one
20α-Hydroxyprogesterone
Pregn-4-ene-20α-ol-3-one
Δ4-Pregnene-20α-ol-3-one
Pregn-4-en-20α-ol-3-one
20α-Progerol
20α-Hydroxypregn-4-en-3-one
20-Hydroxypregn-4-en-3-one
Progesterol-20α
4-Pregnen-3-one-20α-ol
20(S)-Hydroxyprogesterone
Δ4-Pregnen-20α-ol-3-one
NSC 68630