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参考文献
Butcher, John W.; Liverton, Nigel J.; Selnick, Harold G.; Elliot, Jason M.; Smith, Garry R.; Tebben, Andrew J.; Pribush, David A.; Wai, John S.; Claremon, David A. Tetrahedron Letters, 1996 , vol. 37, # 37 p. 6685 - 6688
Butcher, John W.; Liverton, Nigel J.; Selnick, Harold G.; Elliot, Jason M.; Smith, Garry R.; Tebben, Andrew J.; Pribush, David A.; Wai, John S.; Claremon, David A. Tetrahedron Letters, 1996 , vol. 37, # 37 p. 6685 - 6688