参考文献

Perevalov, V. P.; Baryshnenkova, L. I.; Koroleva, V. V.; Kurkina, L. G.; Kramarenko, S. S.; Stepanov, B. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1990 , vol. 26, # 5 p. 530 - 534 Khimiya Geterotsiklicheskikh Soedinenii, 1990 , # 5 p. 628 - 632