参考文献

Orlov, V. D.; Papiashvili, I. Z.; Grigorov, P. A. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1983 , vol. 19, # 5 p. 544 - 549 Khimiya Geterotsiklicheskikh Soedinenii, 1983 , vol. 19, # 5 p. 671 - 676