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

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

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

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