(4R,5R)-rel-4,5-二羟基-5-(羟基甲基)-2-环戊烯-1-酮

4-Hydroxy-2-hydroxymethylcyclopent-2-en-1-one

methyl 4-(1-hydroxy-3-(phenylsulfinyl)propyl)-2,2-dimethyl-1,3-dioxolane-4-carboxylate

t-4-[(tert-butyldimethylsilyl)oxy]-5-hydroxy-r-5-[[(tert-butyldimethylsilyl)oxy]methyl]-2-cyclopentenone

9-hydroxy-2,2-dimethyl-7-(phenylsulfinyl)-1,3-dioxaspiro[4.4]nonan-6-one

6-溴-1,4-二氧杂螺[4.4]壬-6-烯

2-[[tert-butyl(dimethyl)silyl]oxymethyl]cyclopent-2-en-1-one

2-羟基甲基-2-环戊酮

6-carbethoxy-1,4-dioxaspiro[4.4]non-6-ene

2-溴-2-环戊酮

(5S,9S)-9-hydroxy-2,2-dimethyl-1,3-dioxaspiro[4.4]non-7-en-6-one

methyl 4-(1-hydroxy-3-(phenylthio)propyl)-2,2-dimethyl-1,3-dioxolane-4-carboxylate

((1S,2S,3aR,4R,7S,7aS)-1-bromo-2-hydroxy-3-oxo-2,3,3a,4,7,7a-hexahydro-1H-4,7-methanoinden-2-yl)methyl acetate

(4RS)-4-t-butyldimethylsilyloxy-2-t-butyldimethylsilyloxymethylcyclopent-2-en-1-one

((1R,2R,3aR,4R,7S,7aS)-1-acetoxy-2-hydroxy-3-oxo-2,3,3a,4,7,7a-hexahydro-1H-4,7-methanoinden-2-yl)methyl acetate

(2RS,3RS,4SR)-3,4-dihydroxy-4-t-butyldimethylsilyloxy-2-t-butyldimethylsilyloxymethylcyclopentan-1-one

ethyl 5-oxocyclopentene-1-carboxylate

cis-4,5-dihydroxy-5-[[(tert-butyldimethylsilyl)oxy]methyl]-2-cyclopentenone

cis-2,3-dihydroxy-2-[[(tert-butyldimethylsilyl)oxy]methyl]cyclopentanone