(R)-5-(tert-butyldimethylsilyloxy)-2-[(trifluoromethanesulfonyl)oxy]-1,3,3-trimethylcyclohex-1-ene

(-)-(1S,4S,6R)-4-(tert-butyldimethylsilyloxy)-2,2,6-trimethyl-7-oxabicyclo[4.1.0]heptane-1-carbaldehyde

(R)-4-(tert-Butyl-dimethyl-silanyloxy)-2,6,6-trimethyl-cyclohex-1-enecarboxylic acid methyl ester