参考文献

Prep'yalov, A. V.; Yakovlev, I. P.; Ivin, B. A. Russian Journal of Organic Chemistry, 1995 , vol. 31, # 8 p. 1128 - 1131 Zhurnal Organicheskoi Khimii, 1995 , vol. 31, # 8 p. 1237 - 1240