3-acetoxy-5-tert-butyldimethylsilyloxy-1-chlorocyclopentene

(4R)-(+)-T-丁基二甲基硅氧-1-酮

(3-chloro-4-oxocyclopent-2-en-1-yl) acetate

(R)-4-(tert-Butyldimethylsilanyloxy)-6-oxabicyclo[3.1.0]hexan-2-one