7-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-4-(methylthio)-5-(4-morpholinylmethyl)-7H-pyrrolo[2,3-d]pyrimidine

7-(2-Deoxy-β-D-erythro-pentofuranosyl)-5-(4-morpholinylmethyl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine

N-[7-(2-Deoxy-β-D-erythro-pentofuranosyl)-4-methoxy-7H-pyrrolo[2,3-d]pyrimidin-2-yl]-4-methylbenzenesulfonamide

2-[7-(2-Deoxy-β-D-erythro-pentofuranosyl)-4-methoxy-7H-pyrrolo[2,3-d]pyrimidin-2-yl]-1H-isoindole-1,3(2H)-dione

5′-[(R)-[(2E)-3-Carboxy-2-propen-1-yl]methylsulfonio]-5′-deoxyadenosine

5′-[[(2E)-3-Carboxy-2-propen-1-yl]methylamino]-5′-deoxyadenosine

5′-[(S)-[(2E)-3-Carboxy-2-propen-1-yl]methylsulfonio]-5′-deoxyadenosine

5′-Deoxy-5′-[[(2E)-4-ethoxy-4-oxo-2-buten-1-yl]methylamino]-2′,3′-O-(1-methylethylidene)adenosine

N′-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-1H-pyrazolo[4,3-c]pyridin-4-yl]-N,N-dibutylmethanimidamide

N′-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-1H-pyrazolo[4,3-c]pyridin-4-yl]-N,N-dibutylmethanimidamide

N,N-Dibutyl-N′-[1-(2-deoxy-β-D-erythro-pentofuranosyl)-1H-pyrazolo[4,3-c]pyridin-4-yl]methanimidamide

Inosine, 6-O-[4-[(1,2-dimethyl-1H-indol-3-yl)methyl]phenyl]-, 2′,3′,5′-triacetate

L-Homocysteine, thioether with N-(5-oxopentylidene)-5′-thioadensoine

L-Homocysteine, 2,5-dioxo-1-pyrrolidinyl ester, thioether with 5′-thioadensoine

2-Amino-7-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-3,7-dihydro-5-phenyl-4H-pyrrolo[2,3-d]pyrimidin-4-one

2-Amino-7-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-5-ethynyl-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one

2-Amino-7-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-5-ethenyl-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one

2′-Deoxy-5-ethenylcytidine 5′-(tetrahydrogen triphosphate)

9-[3-[(4-Cyclohexyl-1-oxobutyl)amino]-3-deoxy-β-D-xylofuranosyl]-N-cyclopentyl-9H-purin-6-amine

N-Cyclopentyl-9-[3-deoxy-3-[(1-oxo-5-phenylpentyl)amino]-β-D-xylofuranosyl]-9H-purin-6-amine