hydrogenchloride; hydrogen sulfide in ethanol T=35°C;
参考文献
Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 25, # 10 p. 1113 - 1117
Khimiya Geterotsiklicheskikh Soedinenii, , # 10 p. 1333 - 1337
Kitahara, Haruo; Tozawa, Yasuyuki; Fujita, Seikou; Tajiri, Akio; Morita, Noboru; Asao, Toyonobu
Bulletin of the Chemical Society of Japan, 1988 , vol. 61, # 9 p. 3362 - 3364