Sazonova, N. M.; Levina, I. I.; Bezrukov, I. A.; Ershova, Yu. A.; Sladkov, V. I.; et al.
Pharmaceutical Chemistry Journal, 1991 , vol. 25, # 7 p. 465 - 469
Khimiko-Farmatsevticheskii Zhurnal, 1991 , vol. 25, # 7 p. 31 - 34

Sazonova, N. M.; Levina, I. I.; Bezrukov, I. A.; Ershova, Yu. A.; Sladkov, V. I.; et al.
Pharmaceutical Chemistry Journal, 1991 , vol. 25, # 7 p. 465 - 469
Khimiko-Farmatsevticheskii Zhurnal, 1991 , vol. 25, # 7 p. 31 - 34