5-Amino-3-[3-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-3-(hydroxymethyl)-β-D-ribofuranosyl]-3,6-dihydro-7H-1,2,3-triazolo[4,5-d]pyrimidin-7-one

2-Amino-3′-deoxy-3′-(hydroxymethyl)adenosine 5′-(tetrahydrogen triphosphate)

N-[[P(S)]-3′-Deoxy-P-[2-[(2,2-dimethyl-1-oxopropyl)thio]ethyl]-3′-(hydroxymethyl)-5′-cytidylyl]-L-alanine 1-methylethyl ester

N-[[P(S)]-2′,3′-Dideoxy-3′-(fluoromethyl)-P-phenyl-5′-guanylyl]-L-alanine 1-methylethyl ester

N-[[P(R)]-2′,3′-Dideoxy-3′-(fluoromethyl)-P-phenyl-5′-guanylyl]-L-alanine 1-methylethyl ester

2′,3′-Dideoxy-3′-(fluoromethyl)guanosine

3′-Deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3′-(fluoromethyl)guanosine

N-[[P(R)]-3′-Deoxy-P-[(1S)-1-[(ethoxycarbonyl)oxy]ethyl]-6-O-ethyl-3′-(fluoromethyl)-5′-guanylyl]-L-valine methyl ester

N-[[P(S)]-3′-Deoxy-P-[(1S)-1-[(ethoxycarbonyl)oxy]ethyl]-6-O-ethyl-3′-(fluoromethyl)-5′-guanylyl]-L-valine methyl ester

N-[[P(S)]-3′-Deoxy-P-[(1R)-1-[(ethoxycarbonyl)oxy]ethyl]-6-O-ethyl-3′-(fluoromethyl)-5′-guanylyl]-L-valine methyl ester

N-[[P(R)]-3′-Deoxy-P-[(1R)-1-[(ethoxycarbonyl)oxy]ethyl]-6-O-ethyl-3′-(fluoromethyl)-5′-guanylyl]-L-valine methyl ester

N-[3′-Deoxy-6-O-ethyl-3′-(fluoromethyl)-5′-guanylyl]-L-valine 1-methyl ester

N,N′-[3′-Deoxy-6-O-ethyl-3′-(fluoromethyl)-5′-guanylylidene]bis[L-leucine] 1,1′-diethyl ester

N-[3′-Deoxy-P-[2-[(2,2-dimethyl-1-oxopropyl)thio]ethyl]-6-O-ethyl-3′-(fluoromethyl)-5′-guanylyl]-L-valine methyl ester

3′-Deoxy-6-O-ethyl-3′-(fluoromethyl)guanosine

N-[[P(S)]-3′-Deoxy-6-O-ethyl-3′-(fluoromethyl)-P-phenyl-5′-guanylyl]-L-alanine 1-methylethyl ester

N-[[P(R)]-3′-Deoxy-6-O-ethyl-3′-(fluoromethyl)-P-phenyl-5′-guanylyl]-L-alanine 1-methylethyl ester

N-[[P(S)]-3′-Deoxy-6-O-ethyl-3′-(fluoromethyl)-P-phenyl-5′-guanylyl]-D-alanine 1-methylethyl ester

N-[[P(R)]-3′-Deoxy-6-O-ethyl-3′-(fluoromethyl)-P-phenyl-5′-guanylyl]-D-alanine 1-methylethyl ester

N-[[P(S)]-3′-Deoxy-3′-(fluoromethyl)-P-phenyl-5′-guanylyl]-D-alanine cyclopentyl ester