参考文献
Journal of the American Chemical Society, , vol. 58, p. 236
Arkiv foer Kemi, , vol. 24 A, # 30 p. 3,10
Journal of the Chemical Society, , p. 3061
Journal of the American Chemical Society, , vol. 56, p. 927
Journal of the American Chemical Society, , vol. 52, p. 3401