参考文献

Khristich, B. I.; Simonov, A. M.; Shepelenko, E. N.; Yatsimirskii, V. A. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1983 , p. 87 - 90 Khimiya Geterotsiklicheskikh Soedinenii, 1983 , vol. 19, # 1 p. 98 - 101