(2R,3S,4S)-3-(tert-butyldimethylsiloxy)-2,4-dimethyl-6-oxohexyl 2,2-dimethylpropionate

(3S,4S,5R)-4-(tert-Butyl-dimethyl-silanyloxy)-6-(2,2-dimethyl-propionyloxy)-3,5-dimethyl-hexanoic acid methyl ester

(7α,8α,9α)-7,9-dimethyl-1,4-dioxaspiro[4.5]decan-8-ol

(1s,2R,6S)-tert-butyldimethyl<(2,6-dimethyl-4-oxo-1-cyclohexyl)oxy>silane

(7R,8s,9S)-tert-butyldimethyl<(7,9-dimethyl-1,4-dioxaspiro<4.5>decan-8-oyl)oxy>silane