Similar names: Cortisone, 21-acetate (8CI); Pregn-4-ene-3,11,20-trione, 17,21-dihydroxy-, 21-acetate (7CI); 17,21-Dihydroxypregn-4-ene-3,11,20-trione 21 acetate; 21-Acetoxy-17-hydroxypregn-4-ene-3,11,20-trione; 21-Acetoxy-17α-hydroxy-3,11,20-triketopregnene-4; 21-Acetoxy-17α-hydroxypregn-4-ene-3,11,20-trione; 4-Pregnene-17a,21-diol-3,11,20-trione 21-acetate; Adreson; Artriona; Biocort Acetate; Compound E Acetate; Corlin; Cortadren; Cortelan; Cortisone acetate; Cortistab; Cortisyl; Cortisyl Artriona; Cortone acetate; Incortin; Irisone acetate; NSC 49420; Ricortex; Scheroson