for the following products
1-Cyclopentene-1-heptanoic acid,3-[[(1,1-dimethylethyl) dimethylsilyl]oxy]-5-oxo- methyl ester, (3R)- | 1-Cyclopentene-1-heptanoic acid,3-[[(1,1-dimethylethyl) dimethylsilyl]oxy]-5-oxo-, methyl ester, (3R)- and Methyl (R)-(+)-3-(tert-butyldimethylsilyloxy)-5-oxo-1-cyclopentene-1-heptanoate
