71155-04-9
双环[3.2.0]庚-2-烯-6-酮,(1S,5R)-(中间体/医...)
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107796-38-3
((3aS,4R,5S,6aR)-5-acetoxy-2-oxohexahydro-2H-cyclopenta[b]furan-4-yl)methyl acetate