Parshin, V. A.; Olovyanishnikova, Z. A.; Yashunskii, V. G.; Mashkovskii, M. D.
Pharmaceutical Chemistry Journal, 1981 , vol. 15, # 5 p. 333 - 337
Khimiko-Farmatsevticheskii Zhurnal, 1981 , vol. 15, # 5 p. 54 - 58