(5R,6R)-6-Ethyl-5-((S)-2-methyl-butyl)-tetrahydro-pyran-2-one

(S)-2-[(2R,5R,6R)-6-Ethyl-2-methoxy-5-((S)-2-methyl-butyl)-tetrahydro-pyran-2-yl]-2-hydroxy-propionic acid methyl ester

(4R,6S)-4-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-propyl]-6-methyl-octanal

(2R,5S)-2-tert-Butyl-5-{(4R,6S)-4-[(R)-1-(tert-butyl-dimethyl-silanyloxy)-propyl]-6-methyl-octanoyl}-5-methyl-[1,3]dioxolan-4-one

(2R,5S)-2-tert-Butyl-5-[(2R,5R,6R)-6-ethyl-2-methoxy-5-((S)-2-methyl-butyl)-tetrahydro-pyran-2-yl]-5-methyl-[1,3]dioxolan-4-one