参考文献

Sabirov, K.; Rozhkova, N. K. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1983 , vol. 19, # 11 p. 1173 - 1174 Khimiya Geterotsiklicheskikh Soedinenii, 1983 , # 11 p. 1483 - 1484