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参考文献
Vigalok,I.V. et al. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1977 , vol. 13, p. 25 - 28 Khimiya Geterotsiklicheskikh Soedinenii, 1977 , vol. 13, p. 30-32+
Vigalok,I.V. et al. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1977 , vol. 13, p. 25 - 28 Khimiya Geterotsiklicheskikh Soedinenii, 1977 , vol. 13, p. 30-32+