11β-hydroxy-2'-methyl-(16β)-pregna-1,4-dieno[17,16-d]oxazole-3,20-dione
3β-hydroxy-2'-methyl-(5α,16β)-pregnano[17,16-d]oxazole-11,20-dione 20-semicarbazone
3β,11β-dihydroxy-2'-methyl-(5α,16β)-pregnano[17,16-d]oxazol-20-one semicarbazone
11β-hydroxy-2'-methyl-(5α,16β)-pregnano[17,16-d]oxazole-3,20-dione
3β,11β-dihydroxy-2'-methyl-(5α,16β)-pregnano[17,16-d]oxazol-20-one