(3E,12R,15S)-17-benzyloxy-12-(tert-butyldimethylsilyl)oxy-8,11-dioxo-12-methyl-15-(triethylsilyloxy)-3-heptadecen-2-one

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

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

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

(Z)-(3S,7R)-9-Benzyloxy-3-(4-methoxy-benzyloxy)-7-triethylsilanyloxy-1-[2-(4-triethylsilanyloxy-butyl)-[1,3]dithian-2-yl]-non-5-en-4-one