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参考文献
Grandberg,I.I.; Bobrova,N.I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1965 , vol. 1, p. 380 - 383 Khimiya Geterotsiklicheskikh Soedinenii, 1965 , vol. 1, p. 566 - 570
Grandberg,I.I.; Bobrova,N.I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1965 , vol. 1, p. 380 - 383 Khimiya Geterotsiklicheskikh Soedinenii, 1965 , vol. 1, p. 566 - 570