[1] Univ Oxford, Dept Chem, Chem Res Lab, Oxford OX1 3TA, England
[2] Toyama Univ, Dept Hosp Pharm, Toyama 9300194, Japan
[3] Univ Oxford, Oxford Glycobiol Inst, Oxford OX1 3QU, England
[4] Univ Poitiers, CNRS, Inst Physiol & Biol Cellulaires, F-86022 Poitiers, France
[5] Lab Synth & React Subst Nat, UMR 6514, F-86022 Poitiers, France