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

Methanesulfonic acid (1R,2R)-2-benzyloxy-3-[1,3]dithian-2-yl-1-formyl-propyl ester

Methanesulfonic acid (1S,2R)-2-benzyloxy-1-((R)-1,2-dihydroxy-ethyl)-3-[1,3]dithian-2-yl-propyl ester