Kobayashi, Kazuhiro; Uchida, Masaharu; Uneda, Tomokazu; Yoneda, Keiichi; Tanmatsu, Miyuki; Morikawa, Osamu; Konishi, Hisatoshi Journal of the Chemical Society. Perkin Transactions 1, 2001 , # 22 p. 2977 - 2982