Similar names: Cortisone (8CI); 17,21-Dihydroxypregn-4-ene-3,11,20-trione; 11-Dehydro-17-hydroxycorticosterone; 17-Hydroxy-11-dehydrocorticosterone; 17α,21-Dihydroxy-4-pregnene-3,11,20-trione; 17α,21β-Dihydroxy-4-pregnene-3,11,20-trione; 17α-Hydroxy-11-dehydrocorticosterone; Adrenalex; Compound E; Cortisate; Cortivite; Cortogen; Cortone; KE; Kendall's compound E; NSC 9703; Pregn-4-en-17α,21-diol-3,11,20-trione; Reichstein's substance Fa; Wintersteiner's compound F; Δ4-Pregnene-17α,21-diol-3,11,20-trione