Kuleshyus, V. A.; Gaidyalis, P. G.; Pyatrauskas, O. Yu.; Daukshas, V. K.
Pharmaceutical Chemistry Journal, 1988 , vol. 22, # 7 p. 551 - 553
Khimiko-Farmatsevticheskii Zhurnal, 1988 , vol. 22, # 7 p. 827 - 830