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(2007/10/03)2-bromo-2-cyclopenten-1-one
6-bromo-1,4-dioxa-spiro[4.4]non-6-ene
cyclopent-2-enone
(2R,3S)-2-Benzyloxymethyl-3-[(E)-(R)-3-((3aR,7aR)-1,3-dimethyl-2-oxo-octahydro-2λ5-benzo[1,3,2]diazaphosphol-2-yl)-1-methyl-allyl]-cyclopentanone
2-benzyloxymethyl-3-(2-hydroxy-1-methyl-ethyl)-cyclopentanol