3-ethyl 1,2-dimethyl (1S,2S,3R,4R,5R,10R,11R)-10-benzyloxy-4,5-(diethylmethylenedioxy)-1,2-(dimethylmethylenedioxy)-11-methyl-6-oxo-12-phenyl-3-(trimethylsilyloxy)-7-dodecyne-1,2,3-tricarboxylate

(2S,3R)-4-benzyloxy-2,3-(dimethylmethylenedioxy)butyric acid

(R,Z)-4-(benzyloxy)methyl-5-[methylthio(trimethylsilyloxy)methylene]-2,2-dimethyl-1,3-dioxolane

ethyl [2R,2(1R,2S),3S,4R]-5-benzyloxy-2-[1,2-(diethylmethylenedioxy)-3-(methoxymethoxy)propyl]-3,4-(dimethylmethylenedioxy)-2-hydroxy-3-(methylthio)carbonylpentanoate

(1S,3R,4S,5R,6R,7R,4'R,5'R)-1-[4'-acetoxy-5'-methyl-6'-phenylhex-1'-yl]--6,7-bis(benzoyloxy)-4-hydroxy-3,4,5-trihydroxymethyl-2,8-dioxabicyclo[3.2.1]octane