Alekperov, R. K.; Leshchinskaya, V. P.; Nosova, V. S.; Chervin, I. I.; Kostyanovskii, R. G.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1987 , vol. 23, # 7 p. 749 - 751
Khimiya Geterotsiklicheskikh Soedinenii, 1987 , # 7 p. 912 - 914

Calle, Emilio; Casado, Julio; Cinos, Jose L.; Mateos, Francisco J. Garcia; Tostado, Manuel
Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1992 , # 6 p. 987 - 991

Calle, Emilio; Casado, Julio; Cinos, Jose L.; Mateos, Francisco J. Garcia; Tostado, Manuel
Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1992 , # 6 p. 987 - 991