Synonyms : 17 beta, 20 alpha-Hydroxysteroid Dehydrogenase, 20 alpha-Hydroxysteroid Dehydrogenase, 20-alpha-HSD, NADPH-Dependent 20 alpha-Hydroxysteroid Oxidoreductase, 17 beta, 20 alpha Hydroxysteroid Dehydrogenase, 20 alpha HSD, 20 alpha Hydroxysteroid Dehydrogenase