Zagorevskii, V. A.; Val'dman, A. V.; Kozlovskaya, M. M.; Lopatina, K. I.; Sokolova, T. V.; et al.
Pharmaceutical Chemistry Journal, 1989 , vol. 23, # 11 p. 873 - 879
Khimiko-Farmatsevticheskii Zhurnal, 1989 , vol. 23, # 11 p. 1304 - 1309