N-Methyl-6-S-[(4-nitrophenyl)methyl]-6-thioguanosine

1'-C-Methyl-2'-O-methyladenosine

N-[[[(2S,3R)-2-Amino-3-hydroxy-1-oxobutyl]amino]carbonyl]-N-methyladenosine

N-[(3-Iodophenyl)methyl]-2'-O-methyladenosine

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-2-chloro-4-methyl-1H-benzimidazole

5'-O-[(2R,4S)-4-(4-Cyanophenyl)-2-oxido-1,3,2-dioxaphosphorinan-2-yl]-2'-C-methyladenosine

1H-Benzimidazole, 5,6-dichloro-1-[3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-ribofuranosyl]-

5,6-Dichloro-1-[5-O-[(4-methoxyphenyl)diphenylmethyl]-2-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)-β-D-ribofuranosyl]-1H-benzimidazole

Uridine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-, 2'-[N-[[3-[2-(1-pyrenyl)ethynyl]phenyl]methyl]carbamate]

2(1H)-Pyrimidinone, 1-(2-deoxy-2-fluoro-β-D-arabinofuranosyl)-3,4-dihydro-4-imino-5-[(trimethylsilyl)ethynyl]-

2(1H)-Pyrimidinone, 1-[2-deoxy-2-fluoro-3,5-bis-O-(trimethylsilyl)-β-D-arabinofuranosyl]-3,4-dihydro-4-imino-5-[(trimethylsilyl)ethynyl]-

N-Ethyl-6-S-[(4-nitrophenyl)methyl]-6-thioguanosine

N-Benzoyl-2',3',5'-tris-O-[(1,1-dimethylethyl)dimethylsilyl]-6-S-[(4-nitrophenyl)methyl]-6-thioguanosine

N-Acetyl-2',3',5'-tris-O-[(1,1-dimethylethyl)dimethylsilyl]-6-S-[(4-nitrophenyl)methyl]-6-thioguanosine