(1R,2R,3S,4R,5R)-ethyl 2-benzylsulfanyl-3,4-bis(tert-butyldimethylsiloxy)-5-hydroxycyclopentanecarboxylate

(1R,2R,3S,4R,5R)-ethyl 2-benzylsulfanyl-3,5-bis(tert-butyldimethylsiloxy)-4-hydroxycyclopentanecarboxylate

(E)-ethyl (4R,5R)-4,5-dihydroxy-6-(4-methoxybenzyloxy)hex-2-enoate

(E)-ethyl 3-[(4R,5R)-5-(4-methoxybenzyloxymethyl)-2,2-dimethyl-1,3-dioxolan-4-yl]prop-2-enoate

(E)-ethyl (4R,5R)-4,5-bis(tert-butyldimethylsiloxy)-6-hydroxyhex-2-enoate