3,4,5-tri-O-benzyl-2,6-dideoxy-2,6-methylene-D-glycero-D-gulo-3,6a-cycloheptonic acid

7-O-acetyl-3,4,5-tri-O-benzyl-2,6-dideoxy-2,6-methylene-D-glycero-D-gulo-3,6a-cycloheptonic acid

Acetic acid (1R,2R,3R,4S,5S,6R)-6-azidocarbonyl-3,4,5-tris-benzyloxy-bicyclo[3.1.0]hex-2-ylmethyl ester

ethyl 3,4,5-tri-O-benzyl-7-O-[(tert-butyl)diphenylsilyl]-2,6-dideoxy-2,6-methylene-D-glycero-D-gulo-3,6a-cycloheptonate