Karn, V. K.; Tat'yanchenko, I. S.; Portnyagina, V. A.; Mokhort, N. A.; Ryabukha, T. K.; Vinnikova, A. V.
Pharmaceutical Chemistry Journal, 1983 , vol. 17, # 11 p. 777 - 779
Khimiko-Farmatsevticheskii Zhurnal, 1983 , vol. 17, # 11 p. 1304 - 1307