N1,N6-di-succinimidyl-2R,5R-dibenzyloxy-3S,4S-dihydroxy-3,4-O-isopropylidenehexanediester

2,5-di-O-benzyl-3,4-O-isopropylidene-L-iditol

2,5-di-O-benzyl-3,4-O-isopropylidene-L-idaric acid

N1,N6-di[2-methyl-1S-(methylcarbamoyl)propyl]-2R,5R-dibenzyloxy-3S,4S-dihydroxy hexanediamide

N1,N6-di[2-methyl-1S-(methylcarbamoyl)propyl]-2R,5R-dibenzyloxy-3S,4S-dihydroxy-3,4-O-iso-thiocarbonylhexanediamide