参考文献

Ukhin, L. Yu.; Morkovnik, Z. S.; Komissarov, V. N. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1983 , vol. 19, # 3 p. 345 - 346 Khimiya Geterotsiklicheskikh Soedinenii, 1983 , # 3 p. 420 - 421