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(2007/10/03)3β-tribenzylsilyloxy-7β-hydroxy-15β,16β-methylene-5-androsten-17-one
3β-(tert.-butyldimethylsilyloxy)-7β-hydroxy-15β,16β-methylene-5-androsten-17-one
Spirorenone
17α-(3-hydroxy-1-propinyl)-6β,7β;15β,16β-dimethylene-5β-androstane-3β,5,17β-triol
(2S,4aR,4bS,6aS,7aS,8aS,8bS,8cR,8dR,9aR,9bR)-2,9b-dihydroxy-4a,6a-dimethyloctadecahydro-7H-cyclopropa[4,5]cyclopenta[1,2-a]cyclopropa[l]phenanthren-7-one