tert-butyl 5-O-[tert-butyl(diphenyl)silyl]-2,4-dideoxy-2,4-dimethyl-D-ribonate

(2S,3S,4R)-3-(tert-Butyl-dimethyl-silanyloxy)-2,4-dimethyl-5-triethylsilanyloxy-pentan-1-ol

3,5-dideoxy-1,2-O-isopropylidene-3,5-di-C-methyl-β-l-mannofuranose