Odinokov, V. N.; Akhmetova, V. R.; Khasanov, Kh. D.; Abduvakhabov, A. A.; Sul' anmuratova, V. R.; Tolsikov, G. A. Journal of Organic Chemistry USSR (English Translation)Zhurnal Organicheskoi Khimii, 19921992, vol. 2828, # 6.16 p. 915 - 9181173 - 1177