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

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

Methanesulfonic acid (2R,3R,4S,5S,6S)-4-benzyloxy-2-(tert-butyl-dimethyl-silanyloxymethyl)-5-iodo-6-methoxy-tetrahydro-pyran-3-yl ester

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