TY - JOUR AU - Ohsugi, S; Nishide, K; Oono, K; Okuyama, K; Fudesaka, M; Kodama, S; Node, M JO - Tetrahedron VL - 59 PY - 2003 DO - 10.1016/j.tet.2003.08.055 SP - 8393 ER -