参考文献

Bazyl'chik, V. V.; Fedorov, P. I.; Odinokov, V. N. Journal of Organic Chemistry USSR (English Translation), 1990 , vol. 26, # 9.2 p. 1668 - 1670 Zhurnal Organicheskoi Khimii, 1990 , vol. 26, # 9 p. 1929 - 1932