1. Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, OX1 3TA, U.K., Oxford Glycobiology Institute, University of Oxford, South Parks Road, Oxford, OX1 3QU, U.K., Department of Hospital Pharmacy, University of Toyama, Toyama 930-0194, Japan, Rare Sugar Research Center, Kagawa University, 2393 Ikenobe, Miki-cho, Kita-gun, Kagawa 761-0795, Japan, and Faculty of Agriculture, Kagawa University, 2393 Ikenobe, Miki-cho, Kita-gun, Kagawa 761-0795, Japan