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(4S,4aS,6R,9S,11S,12S,12aS)-1-Bromomethyl-11,12-(carbonyldioxy)-4a,8,13,13-tetramethyl-5-oxo-4,9-bis(triethylsiloxy)-3,4,4a,5,6,9,10,11,12,12a-decahydro-7,11-methanobenzocyclodecen-6-yl acetate
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(2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-6-acetoxy-4,9,11,12b-tetrahydroxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl benzoate
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