(R)-4-tert-butyldimethylsilyloxy-2-(6-carbomethoxyhexyl)cyclopent-2-en-1-one;
4-(R)-tert-butyldimethylsilyloxy-2-(6-carbomethoxy-2-hexenyl)-2-cyclo-pentenone;
methyl 7-(3(R)-(tert-butyldimethylsiloxy)-5-oxo-1-cyclopenten-1-yl)heptanoate;
4-(R)-t-butyldimethylsilyloxy-2-(6-carbomethoxyhexyl)-2-cyclopentenone;
(R)-Methyl 7-(3-((tert-butyldimethylsilyl)oxy)-5-oxocyclopent-1-en-1-yl)heptanoate;
(R)-4-t-butyldimethylsiloxy-2-(6-carbomethoxyhexyl)-cyclopent-2-enone;
TBS-Protected (R)-4-hydroxy-2-(6-methoxycarbonylhexyl)-cyclopenta-2-enone;
7-[(R)-3-(tert-Butyldimethylsilanyloxy)-5-oxo-cyclopent-1-enyl]heptanoic Acid Methyl Ester;