Nefedova, T. V.; Shirchin, B.; Kazimirovskaya, V. B.; Voronkov, M. G.
Pharmaceutical Chemistry Journal, 1984 , vol. 18, # 3 p. 182 - 185
Khimiko-Farmatsevticheskii Zhurnal, 1984 , vol. 18, # 3 p. 319 - 321