Odinokov, V. N.; Ishmuratov, G. Yu.; Kharisov, R. Ya.; Serebryakov, E. P.; Tolstikov, G. A. Journal of Organic Chemistry USSR (English Translation)Zhurnal Organicheskoi Khimii, 19921992, vol. 2828, # 8.18 p. 1286 - 12881615 - 1618