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参考文献
Tashchuk,K.G.; Dombrovskii,A.V. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1965 , vol. 1, p. 503 - 507 Khimiya Geterotsiklicheskikh Soedinenii, 1965 , vol. 1, # 5 p. 744 - 749
Tashchuk,K.G.; Dombrovskii,A.V. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1965 , vol. 1, p. 503 - 507 Khimiya Geterotsiklicheskikh Soedinenii, 1965 , vol. 1, # 5 p. 744 - 749