(R)-Phenyl 3-O-[(4-methoxyphenyl)methyl]-2-O-(phenylmethyl)-4,6-O-(phenylmethylene)-1-thio-α-D-mannopyranoside is used as a reactant in thd synthetic approach to the glycan chain of high mannose type N-glycoprotein. Molecular Formula: C34H34O6S Molecular Weight: 570.70000000000005