Hayashi, Yujiro; Matsuzawa, Masayoshi; Yamaguchi, Junichiro; Yonehara, Sayaka; Matsumoto, Yasunobu; Shoji, Mitsuru; Hashizume, Daisuke; Koshino, Hiroyuki Angewandte Chemie - International Edition, 2006 , vol. 45, # 28 p. 4593 - 4597