Kabli, R. A.; Kaddah, A. M.; Khalil, A. M.; Khalaf, A. A.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1986 , vol. 25, p. 152 - 156
Palacin, Serge; Chin, Donovan N.; Simanek, Eric E.; MacDonald, John C.; Whitesides, George M.; McBride, Mary T.; Palmore, G. Tayhas R.
Journal of the American Chemical Society, 1997 , vol. 119, # 49 p. 11807 - 11816