p. 770 - 778
(2007/10/03)O6-benzyl-8-bromo-3′,5′-O-bis(tert-butyldimethylsilyl)-N2-dimethoxytrityl-2′-deoxyguanosine
2-amine-3,8-dimethylimidazo[4,5-f]quinoxaline
6-benzyloxy-N2-[bis-(4-methoxy-phenyl)-phenyl-methyl]-9-[4-(tert-butyl-dimethyl-silanyloxy)-5-(tert-butyl-dimethyl-silanyloxymethyl)-tetrahydro-furan-2-yl]-N8-(3,8-dimethyl-3H-imidazo[4,5-f]quinoxalin-2-yl)-9H-purine-2,8-diamine