1,4-Pregnadiene-17a,21-diol-3,11,20-trione;1,2-Dehydrocortisone; 1,4-Pregnadiene-17α,21-diol-3,11,20-trione; Adasone; Ancortone; Apo-Prednisone; Bicortone; Prednicorm; Prednicort; Retrocortine; Sone; Ultracorten; Δ1-Dehydrocortisone; Pregna-1,4-diene-3,11,20-trione, 17,21-dihydroxy; 17,21-Dihydroxypregna-1,4-diene-3,11,20-trione (USP);