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参考文献
Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 23, # 2 p. 186 - 191 Khimiya Geterotsiklicheskikh Soedinenii, , vol. 23, # 2 p. 221 - 226
Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 23, # 2 p. 186 - 191 Khimiya Geterotsiklicheskikh Soedinenii, , vol. 23, # 2 p. 221 - 226