(R)-5-[(2R,4R)-5-(tert-Butyl-diphenyl-silanyloxy)-1-hydroxy-2,4-dimethyl-pentyl]-3-methyl-dihydro-furan-2-one

(2R,6R,8R)-9-(tert-Butyl-diphenyl-silanyloxy)-2,6,8-trimethyl-5-oxo-nonanoic acid methyl ester

(R)-4-{2-[(1R,3R)-4-(tert-Butyl-diphenyl-silanyloxy)-1,3-dimethyl-butyl]-5,5-dimethyl-[1,3]dioxan-2-yl}-2-methyl-butan-1-ol

(R)-5-[(2R,4R)-5-(tert-Butyl-diphenyl-silanyloxy)-2,4-dimethyl-pentanoyl]-3-methyl-dihydro-furan-2-one