(2'E,1'S,3S,4R,5R)-3-benzamido-4-benzoyloxy-3-(tert-butyldiphenylsilyloxymethyl)-5-[10',10'-ethylenedioxy-1'-[2-(trimethylsilyl)ethoxymethoxy]hexadec-2'-en-1'-yl]-2-oxo-tetrahydrofuran

(1'S,3S,4R,5S)-3-azido-5-[2'-(tert-butyldimethylsilyloxy)-1'-[2-(trimethylsilyl)ethoxymethoxy]ethyl]-3-(tert-butyldiphenylsilyloxymethyl)-4-hydroxy-2-oxo-tetrahydrofuran