ethyl (Z,4S,6S)-2-{(E)-3-[(4-methoxybenzyl)oxy]-2-methyl-1-propenyl}-4,6-dimethyl-2-octenoate

<5(2E,4S,6S),7S>-2,7-Anhydro-8,9,10,12,13-pentadeoxy-10-methylene-3,4-bis-C-<(phenylmethoxy)carbonyl>-12-(phenylmethyl)-5-(4,6-dimethyl-2-octenoate)-L-erythro-L-glycero-D-altro-7-trideculo-7,4-furanosonic acid phenylmethyl ester

<5(2E,4S,6S),7S>-2,7-Anhydro-8,9,10,12,13-pentadeoxy-10-methylene-3,4-bis-C-<(phenylmethoxy)carbonyl>-12-(phenylmethyl)-6-O-(triethylsilyl)-5-(4,6-dimethyl-2-octenoate)-L-erythro-L-glycero-D-altro-7-trideculo-7,4-furanosonic acid phenylmethyl ester