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

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

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

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

21-Hydroxy-2'-methyl-16-β-5'H-pregna-1,4,9(11)-trieno(17,16-D)oxazole-3,20-dione 21-acetate