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(2007/10/02)2-N-diphenylacetyl-2'-deoxyguanosine
5'-O-(4,4'-dimethoxytrityl)-2-N-(diphenylacetyl)-2'-deoxyguanosine
5'-O-(p,p'-dimethoxytrityl)-2'-deoxyguanosine
3'-O-acetyl-5'-O-(4,4'-dimethoxytrityl)-6-O-methyl-2'-deoxyguanosine
Diisopropyl-phosphoramidous acid (2R,3S,5R)-5-(2-amino-6-hexyloxy-purin-9-yl)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester
Diisopropyl-phosphoramidous acid (2R,3S,5R)-5-(2-amino-6-propoxy-purin-9-yl)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester
Diisopropyl-phosphoramidous acid (2R,3S,5R)-5-(2-amino-6-ethoxy-purin-9-yl)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester
Diisopropyl-phosphoramidous acid (2R,3S,5R)-5-(2-amino-6-methoxy-purin-9-yl)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester