Burov, Yu. V.; Zagorevskii, V. A.; Zhukov, V. N.; Novikova, N. N.; Silenko, I. D. Pharmaceutical Chemistry Journal, 1983 , vol. 17, # 8 p. 559 - 563 Khimiko-Farmatsevticheskii Zhurnal, 1983 , vol. 17, # 8 p. 936 - 940