9-(tert-butyl-diphenyl-silanyloxymethyl)-3-hydroxy-7-methyl-5-triethylsilanyloxy-dec-9-enoic acid 2-hydroxy-1,2,2-triphenyl-ethyl ester

6-[4-(tert-butyl-diphenyl-silanyloxymethyl)-2-methyl-pent-4-enyl]-4-hydroxy-tetrahydro-pyran-2-one

7-(tert-butyl-diphenyl-silanyloxymethyl)-5-methyl-3-triethylsilanyloxy-oct-7-enal

5-(tert-butyl-diphenyl-silanyloxymethyl)-3-methyl-hex-5-enal

6-[4-(tert-butyl-diphenyl-silanyloxymethyl)-2-methyl-pent-4-enyl]-5,6-dihydro-pyran-2-one