methyl (1R,2S,4R)-2-(<(tert-butyl)diphenylsilyloxy>methyl)-4-hydroxycyclopentaneacetate

methyl (1R,2S,4R)-4-hydroxy-2-<(trityloxy)methyl>cyclopentaneacetate

methyl (1R,2S,2'R,4S)-4-<2'-acetoxy-2'-phenylacetoxy>-2-<(trityloxy)methyl>cyclopentaneacetate