参考文献

Seebach, Dieter; Ciceri, Paola E.; Overhand, Mark; Jaun, Bernhard; Rigo, Dario; Oberer, Lukas; Hommel, Ulrich; Amstutz, Rene; Widmer, Hans Helvetica Chimica Acta, 1996 , vol. 79, # 8 p. 2043 - 2066