Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 23, # 3 p. 292 - 295
Khimiya Geterotsiklicheskikh Soedinenii, , vol. 23, # 3 p. 348 - 351
sulfur dioxide in water T=150°C; 14 h; sealed ampul;
参考文献
Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 23, # 3 p. 292 - 295
Khimiya Geterotsiklicheskikh Soedinenii, , vol. 23, # 3 p. 348 - 351