Khomenko, T. M.; Korchagina, D. V.; Gatilov, Yu. V.; Bagrayanskaya, I. Yu.; Rybalova, T. V.; et al. Journal of Organic Chemistry USSR (English Translation), 1991 , vol. 27, # 3.2 p. 493 - 516 Zhurnal Organicheskoi Khimii, 1991 , vol. 27, # 3 p. 570 - 599