(3S,5S,6S)-3,5-Dimethyl-6-vinyl-tetrahydro-pyran-2-one

(3S,5S,6S)-6-(2-Hydroxy-ethyl)-3,5-dimethyl-tetrahydro-pyran-2-one

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

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