(3R,4S,5S,8S,9S,10S)-11-(tert-butyldiphenylsilyloxy)-5,9-bis(methoxymethoxy)-4,8,10-trimethyl-1-trimethylsilyl-undec-1-yn-3-ol

(2R,3S,6S,7S,8S)-9-(tert-Butyl-diphenyl-silanyloxy)-3,7-bis-methoxymethoxy-2,6,8-trimethyl-nonanoic acid methoxy-methyl-amide

(3R,4S,5S,8S,9S,10S)-11-(tert-butyldiphenylsilyloxy)-5,9-bis(methoxymethoxy)-4,8,10-trimethylundec-1-yn-3-ol