(R)-2-[(4R,6R)-2,2-Di-tert-butyl-5-methyl-6-((R)-1-methyl-2-oxo-ethyl)-[1,3,2]dioxasilinan-4-yl]-propionaldehyde

(E,2R,3S,4S,6R)-9-((4S,5R)-5-ethyl-2,2,4-trimethyl-1,3-dioxolan-4-yl)-3-O-(tert-butyldimethylsilyl)-2,4,6-trimethyl-7-oxonon-8-enoic acid

(R)-2-[(4R,6R)-2,2-Di-tert-butyl-6-((R)-1,3-dimethyl-2,4-dioxo-hexyl)-5-methyl-[1,3,2]dioxasilinan-4-yl]-4-methyl-heptane-3,5-dione