参考文献

Busacca, Carl A.; Bartholomeyzik, Teresa; Cheekoori, Sreedhar; Raju, Ravinder; Eriksson, Magnus; Kapadia, Suresh; Saha, Anjan; Zeng, Xingzhong; Senanayake, Chris H. Synlett, 2009 , # 2 p. 287 - 291