(R)-4-benzyloxy-2-(triethysilyloxy)butanal

(S)-2,2-diethyl-5-(2-{2-[4-(tetrahydropyran-2-yloxy)butyl]-1,3-dithian-2-yl}ethyl)-1,3-dioxolane

Acetic acid (S)-1-((R)-3-benzyloxy-1-triethylsilanyloxy-propyl)-4-(4-methoxy-benzyloxy)-3-oxo-6-[2-(4-triethylsilanyloxy-butyl)-[1,3]dithian-2-yl]-hexyl ester

(4R)-4-benzyl-3-(4-benzyloxy-1-oxobutyl)-2-oxazolidinone

(S)-4-(2-{2-[2-(4-methoxyphenyl)-1,3-dioxolan-4-yl]ethyl}-1,3-dithian-2-yl)-1-butanol