这是本文档旧的修订版！
本文参考：
Torsten Büttner, J. Geier, G. Frison, J. Harmer, C. Calle, A. Schweiger, H. Schönberg and H. Grützmacher, A Stable Aminyl Radical Metal Complex. Science, 307 (5707), 235 (2005)
