參考文獻:
PRESIDENT AND FELLOWS OF HARVARD COLLEGE RITTER, Tobias FURUYA, Takeru TANG, Pingping Patent: WO2010/59943 A2, 2010 Location in patent: Page/Page column 77
參考文獻:
Pohlhaus, Patrick D. Sanders, Shanina D. Parsons, Andrew T. Li, Wei Johnson, Jeffrey S. Journal of the American Chemical Society, 2008 , vol. 130, # 27 p. 8642 - 8650