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    (1R*,3S*,5S*)-7,7-dichloro-3-methyl-6-oxobicyclo<3.2.0>heptane-3-carboxylic acid
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    methyl (2R*,3aS*,3bR*,7aR*)-2,3,3a,3b,4,5,7,7a-octahydro-2,3b-dimethyl-5-oxo-1H-cyclopentapentalene-2-carboxylate
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    tert-butyl cyclopent-3-ene-1-carboxylate
  • 84694-04-2
    tert-butyl 1-methyl-3-cyclopentencarboxylate
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