1. S. Hakomori, J. Biochem.,55, 205 (1964).
2. W. Klyne, Biochem. J.,47, No. 4, xli (1950).
3. T. Usi, J. Chem. Soc., 2425 (1974).
4. P. Colson and R. P. King, Carbohydr. Res.,46, 1 (1974).
5. K. Tori, S. Seo, Y. Yoshimura, M. Nakamura, Y. Tomita, and H. Ishi, Tetrahedron Lett., 4167 (1976).