TY - JOUR AU - Ishibashi, H; Uemura, N; Nakatani, H; Okazaki, M; Sato, T; Nakamura, N; Ikeda, M JO - J. Org. Chem. VL - 58 PY - 1993 DO - 10.1021/jo00061a005 SP - 2360 ER -