2,3-Di-O-benzyl-4-O-(tert-butyldimethylsilyl)-D-erythrose

(2R,3R)-2,3-bis(benzyloxy)-4-hydroxybutanoic acid 1,4-lactone

(-)-(RS,2S,3R,4R,5S)-N-[1-(tert-butyldimethylsilyloxy)-2,3-dibenzyloxy-5-methoxymethoxy-7-(trimethylsilyl)hept-6-yn-4-yl]-2-methylpropane-2-sulfinamide

(2R,3R)-2,3-Bis(benzyloxy)-4-hydroxy-N-methoxy-N-methylbutanamide