Synonyms: 5a-Pregnane-11,20-dione, 3a-hydroxy- (8CI);3a-Hydroxy-5a-pregnane-11,20-dione;5a-Alphaxalone;5a-Pregnan-3a-ol-11,20-dione;5a-Pregnane-3a-ol-11,20-dione;Alfaxalone;Alphaxalone;GR 2/234;Pregnane-11,20-dione, 3-hydroxy-, (3α,5α)-;(3a,5a)-3-Hydroxypregnane-11,20-dione;(3α,5α)-3-Hydroxypregnane-11,20-dione;Pregnane-11,20-dione, 3-hydroxy-, (3α,5α)-;(3α,5α)-3-hydroxypregnane-11,20-dione;