Adenosine, N-[4-[2-[[4-[2-[[2-[[[(4-methoxyphenyl)amino]thioxomethyl]amino]ethyl]amino]-2-oxoethyl]phenyl]amino]-2-oxoethyl]phenyl]-

3-Benzoyl-1-[(6'aR,8'R,9'aS)-dihydro-2',2',4',4'-tetrakis(1-methylethyl)spiro[cyclopropane-1,9'(8'H)-[6H]furo[3,2-f][1,3,5,2,4]trioxadisilocin]-8'-yl]-2,4(1H,3H)-pyrimidinedione

2-S-Propyl-2-thiouridine

Thymidine, 5'-O-[(1,1-dimethylethyl)dimethylsilyl]-, 3'-(O-phenyl carbonothioate)

Uridine, 2'-deoxy-5'-O-[(1,1-dimethylethyl)dimethylsilyl]-, 3'-(O-phenyl carbonothioate)

4,5-Dimethyl 1-[(1,2,3,4-tetrahydro-2,4-dioxo-1-β-D-ribofuranosyl-5-pyrimidinyl)methyl]-1H-1,2,3-triazole-4,5-dicarboxylate

4,5-Dimethyl 1-[[1,2,3,4-tetrahydro-1-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-2,4-dioxo-5-pyrimidinyl]methyl]-1H-1,2,3-triazole-4,5-dicarboxylate

Ethyl 1-[[1,2,3,4-tetrahydro-1-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-2,4-dioxo-5-pyrimidinyl]methyl]-1H-1,2,3-triazole-5-carboxylate

2'-O-[3-(1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)propyl]-5-methyl-4-thiouridine

4-Amino-1-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-α-D-erythro-pentofuranosyl]-6-phenyl-7(1H)-pteridinone

4-Amino-1-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-6-phenyl-7(1H)-pteridinone

4-Amino-6-phenyl-1-β-D-ribofuranosyl-7(1H)-pteridinone

Cytidine, 4'-C-(azidomethyl)-N-benzoyl-, 2',3'-diacetate 5'-benzoate

4-Chloro-7-[2-deoxy-5-O-(2,2-dimethyl-1-oxopropyl)-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidine

Adenosine, N-[4-[2-[[4-[2-[[2-[[[(4-methylphenyl)amino]thioxomethyl]amino]ethyl]amino]-2-oxoethyl]phenyl]amino]-2-oxoethyl]phenyl]-