Movsumzade, E. M.; Rasulbekova, T. I.; Kulieva, D. A.; Aliev, G. R.; Movsumzade, S. M. Journal of Organic Chemistry USSR (English Translation), 1985 , vol. 21, # 11 p. 2132 - 2135 Zhurnal Organicheskoi Khimii, 1985 , vol. 21, # 11 p. 2334 - 2337