(R)-3-Dodecanoyloxy-tetradecanoic acid (4aR,6S,7R,8R,8aS)-7-azido-6-(tert-butyl-dimethyl-silanyloxy)-2,2-dimethyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester

(R)-3-Dodecanoyloxy-tetradecanoic acid (2S,3R,4R,5S,6R)-3-[(R)-3-(benzyloxy-dodecyl-phosphinoyloxy)-tetradecanoylamino]-2-(tert-butyl-dimethyl-silanyloxy)-6-(tert-butyl-dimethyl-silanyloxymethyl)-5-hydroxy-tetrahydro-pyran-4-yl ester