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Neiland, O. Ya. Balodis, K. A. Khodorkovskii, V. Yu. Tilika, V. Zh. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1991 , vol. 27, # 9 p. 134 Khimiya Geterotsiklicheskikh Soedinenii, 1991 , # 9 p. 127 - 1279
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Neiland, O. Ya. Tilika, V. Zh. Edzhinya, A. S. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1992 , vol. 2, # p. 945 - 95 Khimiya Geterotsiklicheskikh Soedinenii, 1992 , # p. 1122 - 112