Tong, George L.; Lee, William W.; Goodman, Leon; Frederiksen, Sune (1965). "Synthesis of some 2′-deoxyribosides of 8-azaadenine". Archives of Biochemistry and Biophysics. 112 (1). University of California: Elsevier: 76. doi:10.1016/0003-9861(65)90012-3.
Tong, George L.; Lee, William W.; Goodman, Leon; Frederiksen, Sune (1965). "Synthesis of some 2′-deoxyribosides of 8-azaadenine". Archives of Biochemistry and Biophysics. 112 (1). University of California: Elsevier: 76. doi:10.1016/0003-9861(65)90012-3.