Derkach, N. Ya.; Krasnyanskaya, T. V.; Levchenko, E. S.; Zabolotnaya, T. G.
Journal of Organic Chemistry USSR (English Translation), 1984 , vol. 20, # 11 p. 2167 - 2171
Zhurnal Organicheskoi Khimii, 1984 , vol. 20, # 11 p. 2377 - 2383