Gorbunov, V. I.; Gorbunova, S. M.; Khlienko, Zh. N.; Kurilenko, V. M. Pharmaceutical Chemistry Journal, 1982 , vol. 16, # 8 p. 617 - 622 Khimiko-Farmatsevticheskii Zhurnal, 1982 , vol. 16, # 8 p. 951 - 956