[(R)-1-((4R,5S)-2,2-Dimethyl-5-(R)-oxiranyl-[1,3]dioxolan-4-yl)-2-hydroxy-ethyl]-carbamic acid tert-butyl ester

1-O-(tert-butyldimethylsilyl)oxy-2-tert-butylcarbonylamino-2-deoxy-3,4-O-isopropylidene-5,6-epoxy-D-mannitol

(6S,7R,8R,8aR)-8-(tert-Butyl-diphenyl-silanyloxy)-6,7-dihydroxy-hexahydro-oxazolo[3,4-a]pyridin-3-one

(4R,5R,6R)-5-(tert-butyldimethylsilyloxy)-4-((tert-butyldimethylsilyloxy)methyl)-2-phenyl-6-vinyl-5,6-dihydro-4H-1,3-oxazine