参考文献

Gadnon, Rene; Grogan, Gideon; Levitt, Melissa S.; Roberts, Stanley M.; Wan, Peter W. H.; Willetts, Andrew J. Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1994 ,  # 18  p. 2537 - 2544