參考文獻:
Artman, Linda D. Balandrin, Manuel F. Moe, Scott T. Van Wagenen, Bradford C. Pesyan, Amir Patent: US2006/25477 A1, 2006 Location in patent: Page/Page column 6-7
參考文獻:
Wojcik, Jacek Szymanski, Slawomir Witanowski, Michal Stefaniak, Lech Bulletin de l'Academie Polonaise des Sciences, Serie des Sciences Chimiques, 1980 , vol. 28, # 9-10 p. 613 - 619