参考文献

Zhurnal Obshchei Khimii, , vol. 8, p. 1438,1443 Chem. Zentralbl., , vol. 111, # I p. 1490 Zhurnal Obshchei Khimii, , vol. 7, p. 983,985, 986 Chem. Zentralbl., , vol. 108, # II p. 3152