Currie, Graeme J.; Bowie, John H.; Downard, Kevin M.; Sheldon, John C.
Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1989 , p. 1973 - 1980
Chechulina, L. A.; Puchkova, S. M.; Novikova, A. P.; Baskakova, Z. M.; Vysokov, V. I.; Afanas'eva, G. B.
Pharmaceutical Chemistry Journal, 1985 , vol. 19, # 3 p. 182 - 186
Khimiko-Farmatsevticheskii Zhurnal, 1985 , vol. 19, # 3 p. 168 - 172