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(2S,4S,5S)-4-[(Z)-(1R,2R,3S,7S,8R,9S)-2,8-Bis-(tert-butyl-dimethyl-silanyloxy)-1,3,7,9-tetramethyl-10-trityloxy-dec-5-enyl]-2-(4-methoxy-phenyl)-5-methyl-[1,3]dioxane
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(Z)-(2S,3S,4R,5R,6S,10S,11R,12S)-5,11-Bis-(tert-butyl-dimethyl-silanyloxy)-3-(4-methoxy-benzyloxy)-2,4,6,10,12-pentamethyl-13-trityloxy-tridec-8-en-1-ol
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