9-(2-O-(tert-butyldimethylsilyl)-3,5-dideoxy-3-methylene-β-D-glycero-pent-4-enofuranosyl)adenine

9-(2-O-(tert-butyldimethylsilyl)-3-deoxy-3-methylene-5-O-(p-toluenesulfonyl)-β-D-erythro-pentofuranosyl)adenine

6-N-benzoyl-9-(2,5-di-O-(tert-butyldimethylsilyl)-3-O-(trimethylsilyl)-3-C-formyl-β-D-xylofuranosyl)adenine

N6-benzoyl-2',5'-di-O-tert-butyldimethylsilyl-3'-O-methylthiomethyladenosine