Ratsino, E. V.; Travkin, O. V.; Skobeleva, T. B.; Rachkovskaya, L. A.; Shtal'bans, E. B.; et al.
Pharmaceutical Chemistry Journal, 1984 , vol. 18, # 8 p. 563 - 567
Khimiko-Farmatsevticheskii Zhurnal, 1984 , vol. 18, # 8 p. 954 - 958