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参考文献
El'chaninov, M.M.; Simonov, A.M.; Oleinikova, L.Ya. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1980 , vol. 16, # 1 p. 59 - 61 Khimiya Geterotsiklicheskikh Soedinenii, 1980 , vol. 16, # 1 p. 71 - 73
El'chaninov, M.M.; Simonov, A.M.; Oleinikova, L.Ya. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1980 , vol. 16, # 1 p. 59 - 61 Khimiya Geterotsiklicheskikh Soedinenii, 1980 , vol. 16, # 1 p. 71 - 73