参考文献:
Gol'dfarb, Ya. L. Ostapenko, E'. G. Ivanov, V.B. Efremkin, A. F. Litvinov, V. P. Chemistry of Heterocyclic Compounds (New York, NY, United States), 98 , vol. 8, # p. 48 - 53 Khimiya Geterotsiklicheskikh Soedinenii, 98 , vol. 8, # p. 48 - 488
参考文献:
Gol'dfarb, Ya. L. Ostapenko, E'. G. Ivanov, V.B. Efremkin, A. F. Litvinov, V. P. Chemistry of Heterocyclic Compounds (New York, NY, United States), 98 , vol. 8, # p. 48 - 53 Khimiya Geterotsiklicheskikh Soedinenii, 98 , vol. 8, # p. 48 - 488