(1R,2S,3R,3aS,9aR)-1,2,3-tris(benzyloxy)octahydrocyclopenta[c]pyrazol[1,2-a]pyrazolidin-7-one

(1R,2R,3R,4R)-1,2,3-tribenzyloxy-4-hydroxymethylcyclopentane

3,4,5-tri-O-benzyl-1,2,6-trideoxy-6-iodo-D-arabino-hex-1-enitol

3,4,5-tri-O-benzyl-1,2-dideoxy-D-arabino-hex-1-enitol