参考文献

Koval', I. V.; Oleinik, T. G.; Timoshin, M. Yu. Russian Journal of Organic Chemistry, 1994 , vol. 30, # 3.1 p. 418 - 421 Zhurnal Organicheskoi Khimii, 1994 , vol. 30, # 3 p. 389 - 392