Similar names: (3β)-3-Hydroxy-pregn-5-en-20-one; Pregn-5-en-20-one, 3β-hydroxy- (8CI); (3β)-3-Hydroxypregn-5-en-20-one; 17β-[1-Ketoethyl]-Δ5-androsten-3β-ol; 3β-Hydroxy-5-en-20-one; 3β-Hydroxy-5-pregnene-20-one; 3β-Hydroxy-Δ5-pregnen-20-one; 3β-Hydroxypregn-5-en-20-one; 5-Pregnenolone; Arthenolone; Bina-Skin; Enelone; NSC 1616; NSC 18158; Natolone; Pregn-5-en-3β-ol-20-one; Pregn-5-ene-3β-ol-20-one; Pregnelon; Pregnenolone; Pregnenolone (progesterone precursor); Pregnetan; Pregneton; Pregnolon; Prenolon; Regnosone; Skinostelon; Δ5-Pregnen-3β-ol-20-one; Δ5-Pregnene-3β-ol-20-one; Δ5-Pregnenolone