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

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

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

乙酸酐

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