1,5-anhydro-3-O-tert-butyldiphenylsilyl-2,6-dideoxy-D-arabino-hex-1-enitol

Acetic acid (2R,3S,6S)-6-[dimethyl-(1,1,2-trimethyl-propyl)-silanyloxy]-2-methyl-4-methylene-tetrahydro-pyran-3-yl ester

Acetic acid (2R,3R,4R)-4-(tert-butyl-diphenyl-silanyloxy)-2-methyl-3,4-dihydro-2H-pyran-3-yl ester