Synonyms: Pregna-1,4-diene-3,11,20-trione,17,21-dihydroxy-, 21-acetate (6CI,7CI,8CI);21-Acetoxy-17a-hydroxypregna-1,4-diene-3,11,20-trione;Cortancyl;Delcortin;Delta-Corlin;Deltalone;Ferrosan;NSC 10965;Nisone;Prednisone acetate;D1-Cortisone 21-acetate;D1-Dehydrocortisone acetate;