Gyul'budagyan, L. V.; Aleksanyan, I. L.; Ionov, I. D.; Shaidrov, V. V.
Pharmaceutical Chemistry Journal, 1983 , vol. 17, # 9 p. 642 - 646
Khimiko-Farmatsevticheskii Zhurnal, 1983 , vol. 17, # 9 p. 1072 - 1076