Derkach, N. Ya.; Barashenkov, G. G.; Levchenko, E. S.
Journal of Organic Chemistry USSR (English Translation), 1983 , vol. 19, # 8 p. 1435 - 1438
Zhurnal Organicheskoi Khimii, 1983 , vol. 19, # 8 p. 1622 - 1625