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Barinova, V. N. Voronin, V. G. Zhestkov, V. P. Portnov, Yu. N. Journal of Organic Chemistry USSR (English Translation), 984 , p. 609 - 6 Zhurnal Organicheskoi Khimii, 984 , vol. 0, # 8 p. 765 - 767
参考文献:
Smith, Richard F. Dennis, Lisa A. Ryan, William J. Rodriguez, George Brophy, Keith A. Journal of Heterocyclic Chemistry, 99 , vol. 9, # p. 8 - 83