ethyl (2R,3S,4S,5R)-3-benzyloxy-2-[N-(benzyloxycarbonyl)amino]-4,5-isopropylidenedioxyhexanoate

(4S,5S,6R)-2,2,4,8,8-pentamethyl-6-((4S,5S)-2,2,5-trimethyl-1,3-dioxolan-4-yl)-1,3,7,9-tetraoxa-8-silaspiro[4.5]decane

1(R)-((4R,5S)-4-(hydroxymethyl)-2,2,5-trimethyl-1,3-dioxolan-4-yl)((4R,5S)-2,2,5-trimethyl-1,3-dioxolan-4-yl)methanol

(S)-5-(tert-Butyl-dimethyl-silanyloxy)-4-methyl-1-((4R,5R)-2,2,5-trimethyl-[1,3]dioxolan-4-yl)-pent-1-yn-3-ol