9α,11α-epoxy-17β-hydroxypregn-4-en-3-one-7α,21-dicarboxylic acid γ-lactone

三甲基硅烷化重氮甲烷

甲基碘

4'S(4'α),7'α-hexadecahydro-11'α-hydroxy-10'β,13'beta-dimethyl-3',5,20'-trioxospiro[furan-2(3H),17'β-[4,7]metheno(17H)cyclopenta[a]phenanthrene]-5'β(2'H)-carbonitrile

甲醇钠