7,2'',3'',4'',6''-penta-O-acetyl-2,3,5',6'-tetra-O-benzylvalidamycin A

7'-O-benzoyl-2,3,5',6'-tetra-O-benzyl-4,7-O-benzylidenevalidoxylamine A

4,7,4',7'-tetra-O-acetyl-2,3,5',6'-tetra-O-benzylvalidoxylamine A