8-bromo-N1-(1'',4''-anhydro-2''-deoxy-3''-O-allyl-D-ribitol-2''-yl)-5'-O-(dianilinophosphoryl)-inosine

8-bromo-N1-(5''-O-benzoyl-1'',4''-anhydro-2''-deoxy-3''-O-allyl-D-ribitol-2''-yl)-5'-O-(dianilinophosphoryl)-2',3'-di-O-acetylinosine

8-bromo-N1-(5''-O-(monomethoxytrityl)-1'',4''-anhydro-2''-deoxy-3''-O-allyl-D-ribitol-2''-yl)-5'-O-(dianilinophosphoryl)-2',3'-di-O-acetylinosine