Daukshas, V. K.; Gaidyalis, P. G.; Pyatrauskas, O. Yu.; Udrenaite, E. B.; Gasperavichene, G. A.; Raguotene, N. V.
Pharmaceutical Chemistry Journal, 1987 , vol. 21, # 5 p. 341 - 345
Khimiko-Farmatsevticheskii Zhurnal, 1987 , vol. 21, # 5 p. 569 - 573