依普利酮中间体

methyl hydrogen 17α-hydroxy-11α-(methylsulfonyl)oxy-3-oxopregn-4-ene-7α,21-dicarboxylate, γ-lactone

甲醇

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