(E)-(2R,5R)-5-Benzyloxy-6-[1,3]dithian-2-yl-2-methyl-hex-3-enoic acid methyl ester

(E)-(2R,5R)-5-Benzyloxy-6-[1,3]dithian-2-yl-2-methyl-hex-3-enoic acid ethyl ester

(Z)-(4S,5R)-5-Benzyloxy-6-[1,3]dithian-2-yl-4-methanesulfonyloxy-hex-2-enoic acid methyl ester

Acetic acid (2R,3R,4R)-4-acetoxy-2-acetoxymethyl-6-methoxy-tetrahydro-pyran-3-yl ester