Chistyakov, V. V.; Anisimova, O. S.; Presnova, Zh. F.; Kostryukova, L. A.; Chernov, V. A.; et al.
Pharmaceutical Chemistry Journal, 1988 , vol. 22, # 10 p. 721 - 725
Khimiko-Farmatsevticheskii Zhurnal, 1988 , vol. 22, # 10 p. 1158 - 1162