N2-(2-nitronaphth-1-yl)-2'-deoxyadenosine

7-{9-[4-(tert-butyldimethylsilanyloxy)-5-(tert-butyldimethylsilanyloxymethyl)-tetrahydrofuran-2-yl]-1,9-dihydro-purin-6-ylideneamino}-6-(tert-butyldimethylsilanyloxymethyl)-6H-benzo[f][1,3]dioxolo[4',5':4,5]benzo[1,2,3-cd]indol-5-one

3',5'-bis-O-(tert-butyldimethylsiliyl)-2'-deoxy-6-N-<(methylthio)carbonyl>adenosine

3',5'-bis-O-(tert-butyldimethylsiliyl)-2'-deoxy-6-N-(methoxycarbonyl)adenosine

2'-deoxy-6-N-<(methylthio)carbonyl>adenosine