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(2007/10/02)triethyl orthobutyrate
9α-fluoro-11β,17α,21-trihydroxy-16β-methyl-1,4-pregnadiene-3,6,20-trione
betamethasone 21-acetate
9α-fluoro-6β,11β,17α,21-tetrahydroxy-16β-methyl-1,4-pregnadiene-3,20-dione 21-acetate
9α-fluoro-11β,17α,21-trihydroxy-16β-methyl-1,4-pregnadiene-3,6,20-trione 21-acetate