Isaev, M. I.; Gorovits, M. B.; Abdullaev, N. D.; Abubakirov, N. K.
Chemistry of Natural Compounds, 1983 , vol. 19, # 5 p. 552 - 556
Khimiya Prirodnykh Soedinenii, 1983 , # 5 p. 587 - 592
Kurkin, V. A.; Zapesochnaya, G. G.; Shchavlinskii, A. N.
Chemistry of Natural Compounds, 1984 , vol. 20, # 3 p. 367 - 368
Khimiya Prirodnykh Soedinenii, 1984 , vol. 20, # 3 p. 390
Isaev, M. I.; Gorovits, M. B.; Abdullaev, N. D.; Abubakirov, N. K.
Chemistry of Natural Compounds, 1983 , vol. 19, # 5 p. 552 - 556
Khimiya Prirodnykh Soedinenii, 1983 , # 5 p. 587 - 592