9-bromo-11β-hydroxy-2'-methyl-(16β)-pregna-1,4-dieno[17,16-d]oxazole-3,20-dione

3β-acetoxy-2'-methyl-(5α,16β)-pregn-9(11)-eno[17,16-d]oxazol-20-one

9,11β-epoxy-2'-methyl-(9β,16β)-pregna-1,4-dieno[17,16-d]oxazole-3,20-dione

21-acetoxy-9,11β-dichloro-2'-methyl-(16β)-pregna-1,4-dieno[17,16-d]oxazole-3,20-dione

21-acetoxy-9-bromo-11β-hydroxy-2'-methyl-(16β)-pregna-1,4-dieno[17,16-d]oxazole-3,20-dione