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参考文献
Gefenas, V. I.; Vainilavichyus, P. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 10 p. 1185 - 1186 Khimiya Geterotsiklicheskikh Soedinenii, 1984 , vol. 20, # 10 p. 1429 - 1430
Gefenas, V. I.; Vainilavichyus, P. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 10 p. 1185 - 1186 Khimiya Geterotsiklicheskikh Soedinenii, 1984 , vol. 20, # 10 p. 1429 - 1430