Sokolov, V. B.; Ivanov, Yu. Ya.; Epishina, T. A.; Agabekyan, R. S.; Martynov, I. V.
Pharmaceutical Chemistry Journal, 1989 , vol. 23, # 11 p. 887 - 889
Khimiko-Farmatsevticheskii Zhurnal, 1989 , vol. 23, # 11 p. 1317 - 1320