N′-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-1,4-dihydro-4-oxo-2-pyrimidinyl]-N,N-dimethylmethanimidamide

N′-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-1,4-dihydro-4-oxo-2-pyrimidinyl]-N,N-dimethylmethanimidamide

N,N-Dibutyl-N′-[1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,4-dihydro-4-oxo-2-pyrimidinyl]methanimidamide

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-[1-(cyanomethyl)-2,2-diethyl-4-pentenyl]-P-deoxothymidylyl-(3′→5′)-P(O)-[1-(cyanomethyl)-2,2-dimethylpropyl]-P-thiothymidylyl-(3′→5′)-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-[1-(cyanomethyl)-2,2-diethyl-4-pentenyl]-P-thiothymidylyl-(3′→5′)-P(O)-[1-(cyanomethyl)-2,2-dimethylpropyl]-P-thiothymidylyl-(3′→5′)-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-[1-(cyanomethyl)-2,2-dimethylpropyl]-P-thiothymidylyl-(3′→5′)-P(O)-[1-(cyanomethyl)-2,2-diethyl-4-pentenyl]-P-deoxothymidylyl-(3′→5′)-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-[1-(cyanomethyl)-2,2-dimethylpropyl]-P-thiothymidylyl-(3′→5′)-, 3′-[1-(cyanomethyl)-2,2-diethyl-4-pentenyl 1H-imidazol-1-ylphosphonite]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-[1-(cyanomethyl)-2,2-dimethylpropyl]-P-thiothymidylyl-(3′→5′)-P(O)-[1-(cyanomethyl)-2,2-diethyl-4-pentenyl]-P-thiothymidylyl-(3′→5′)-

Guanosine 5′-(tetrahydrogen triphosphate), 2′-deoxy-8-[[2-[[6-(ethenylsulfonyl)hexyl]sulfonyl]ethyl]thio]-

Guanosine 5′-(tetrahydrogen triphosphate), 8-[[2-[[6-[[2-[[6-amino-9-[5-O-[hydroxy(phosphonooxy)phosphinyl]-β-D-ribofuranosyl]-9H-purin-8-yl]thio]ethyl]sulfonyl]hexyl]sulfonyl]ethyl]thio]-2′-deoxy-

Guanosine 5′-(tetrahydrogen triphosphate), 2′-deoxy-7,8-dihydro-8-thioxo-

Adenosine 5′-(trihydrogen diphosphate), 8,8′′-[1,6-hexanediylbis(sulfonyl-2,1-ethanediylthio)]-

Adenosine 5′-(trihydrogen diphosphate), 8-[[2-[[6-(ethenylsulfonyl)hexyl]sulfonyl]ethyl]thio]-

10-[5-O-Acetyl-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-7,8-dimethylbenzo[g]pteridine-2,4(3H,10H)-dione

7,8-Dimethyl-10-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)benzo[g]pteridine-2,4(3H,10H)-dione

D-Phenylalanine, N-[[(2-nitrophenyl)methoxy]carbonyl]-, 3′-ester with monomethyl 5′-adenylate

L-Phenylalanine, N-[(phenylmethoxy)carbonyl]-, 3′-ester with monomethyl 5′-adenylate

(2R,3R,3aS,10aR)-2,3,3a,10a-Tetrahydro-3,5-dihydroxy-2-(hydroxymethyl)furo[3,2-b]pyrimido[1,6-d][1,4]oxazine-7,9(5H,8H)-dione

L-Phenylalanine, 3′-ester with monomethyl 2′-O-methyl-5′-adenylate

D-Phenylalanine, N-[[(2-nitrophenyl)methoxy]carbonyl]-, 2′-ester with monomethyl 5′-adenylate