(2S,3S)-5-(tert-Butyl-dimethyl-silanyloxy)-2-methyl-3-trimethylsilanyloxy-pentanal

(3R,4S)-6-(tert-Butyl-dimethyl-silanyloxy)-3-methyl-4-trimethylsilanyloxy-hex-1-ene

(Z)-(5S,6S)-8-(tert-Butyl-dimethyl-silanyloxy)-1-(tert-butyl-diphenyl-silanyloxy)-6-hydroxy-3,5-dimethyl-oct-2-en-4-one

(4S,5S,6R)-4-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-6-[(Z)-3-(tert-butyl-diphenyl-silanyloxy)-1-methyl-propenyl]-2,2,5-trimethyl-[1,3]dioxane