参考文献

Journal of the American Chemical Society, , vol. 71, p. 3098 Journal of the American Chemical Society, , vol. 56, p. 1596 US2415261 , ; Justus Liebigs Annalen der Chemie, , vol. 596, p. 65 Journal of the American Chemical Society, , vol. 69, p. 2929,2930 Journal of the American Chemical Society, , vol. 70, p. 2072,2073