Fedoryak, S. D.; Prisyazhnyuk, P. V.; Sidorchuk, I. I.
Pharmaceutical Chemistry Journal, 1982 , vol. 16, # 1 p. 37 - 40
Khimiko-Farmatsevticheskii Zhurnal, 1982 , vol. 16, # 1 p. 48 - 50