Pharmaceutical Chemistry Journal, , vol. 17, # 2 p. 144 - 147
Khimiko-Farmatsevticheskii Zhurnal, , vol. 17, # 2 p. 200 - 203

Krymov, A. P.; Kamernitskii, A. V.; Demchenko, B. I.; Vesela, I. V.; Tropina, V. I.; Ioanis'yan, L. I.
Pharmaceutical Chemistry Journal, 1983 , vol. 17, # 2 p. 144 - 147
Khimiko-Farmatsevticheskii Zhurnal, 1983 , vol. 17, # 2 p. 200 - 203