114129-69-0 4148-71-4 71484-86-1 71484-87-2 Mannopyranoside, methyl 2,3:4,6-di-O-benzylidene- Mannopyranoside, methyl 2,3:4,6-di-O-benzylidine-, alpha-D- Methyl 2,3:4,6-di-O-benzylidene-alpha-D-mannopyranoside NSC 266498