(4S,9S,10S,e)-1,9,11-tris(benzyloxy)-4,10-dimethylundec-6-en-5-one

(2S,6R,11S)-2-((R)-1-bromopropan-2-yl)-11-methyl-1,7-dioxaspiro[5.5]undecane

(S)-1-methanesulfonyloxy-5-(tert-butyldimethylsilyloxy)-4-methyl-pentane

(3S,6R,7S,8S)-11-(benzyloxy)-3,7-bis{[(tert-butyl)dimethylsilyl]oxy}-4,4,6,8-tetramethyl-5-oxoundecanoic acid