(2R,3S,4R)-2-(tert-butyldimethylsilyloxy)-3,4-(isopropylidenedioxy)hex-5-yn-1-ol

(E)-1-((4R,5S)-2,2-dimethyl-5-vinyl-1,3-dioxolan-4-yl)-N-methyl-2-(trityloxy)ethan-1-imine oxide

(1R,2R,6R,7R)-4,4,9-trimethyl-1-[(trityloxy)methyl]-3,5,8-trioxa-9-aza-tricyclo[5.2.1.02,6]decane

(3aS,4R,6R,6aR)-2,2-dimethyl-6-(methylamino)-6-[(trityloxy)methyl]-tetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-ol