5'-DEOXY-5'-(1,3-DIPHENYL-2-IMIDAZOLIDINYL)THYMIDINE
3',5'-BIS-O-(T-BUTYLDIMETHYLSILYL)THYMIDINE
3'-O-(TBDMS)-5'-DEOXY-5'-(1,3-DIPHENYL-2-IMIDAZOLIDINYL)THYMIDINE
5'-O-(4,4'-DIMETHOXYTRITYL)-2'-O-METHYLURIDINE
3',5'-DI-O-BENZOYL-5-FLUORO-2'-O-METHYLURIDINE
3',5'-DI-O-ACETYL-5-FLUORO-2'-O-METHYL-O4-(2,4,6-TRIMETHYLPHENYL)URIDINE
N4-BENZOYL-2'-O-METHYLCYTIDINE
2-AMINO-N6-(DIMETHYLAMINOMETHYLIDENE)-N2-ISOBUTYRYL-2'-O-METHYLADENOSINE
2-AMINO-5'-O-(DMT)-N6-(DMF)-N2-(ISOBUTYRYL)-2'-O-METHYLADENOSINE