N-[[P(S),2′R]-2-Amino-2′-deoxy-2′-fluoro-N,2′-dimethyl-N-[(pentyloxy)carbonyl]-P-phenyl-5′-adenylyl]-L-alanine 1-methylethyl ester

(2′R)-2-Amino-2′-deoxy-2′-fluoro-N,2′-dimethyl-N-[(pentyloxy)carbonyl]adenosine

(2′R)-2-Amino-2′-deoxy-2′-fluoro-N,2′-dimethyl-N-[(pentyloxy)carbonyl]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]adenosine

6-Chloro-9-[(2R)-2-deoxy-2-fluoro-2-methyl-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-erythro-pentofuranosyl]-9H-purin-2-amine

N-[[P(S),2′R]-2-Amino-N-cyclopropyl-2′-deoxy-2′-ethynyl-2′-fluoro-N-methyl-P-phenyl-5′-adenylyl]-L-alanine 1-methylethyl ester

N-[[P(R),2′R]-2-Amino-N-cyclopropyl-2′-deoxy-2′-ethynyl-2′-fluoro-N-methyl-P-phenyl-5′-adenylyl]-L-alanine 1-methylethyl ester

N-[[P(S),2′R]-2-Amino-2′-deoxy-2′-ethynyl-2′-fluoro-N-methyl-P-phenyl-5′-adenylyl]-L-alanine 1-methylethyl ester

N-[[P(R),2′R]-2-Amino-2′-deoxy-2′-ethynyl-2′-fluoro-N-methyl-P-phenyl-5′-adenylyl]-L-alanine 1-methylethyl ester

N-[[P(S),2′R]-2-Amino-2′-deoxy-2′-ethynyl-2′-fluoro-N,N-dimethyl-P-phenyl-5′-adenylyl]-L-alanine 1-methylethyl ester

N-[[P(R),2′R]-2-Amino-2′-deoxy-2′-ethynyl-2′-fluoro-N,N-dimethyl-P-phenyl-5′-adenylyl]-L-alanine 1-methylethyl ester

N-[6-Chloro-9-[(2R)-2-deoxy-2-ethynyl-2-fluoro-β-D-erythro-pentofuranosyl]-9H-purin-2-yl]-2-methylpropanamide

N-[6-Chloro-9-[(2R)-2-deoxy-2-fluoro-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-2-[2-(trimethylsilyl)ethynyl]-D-erythro-pentofuranosyl]-9H-purin-2-yl]-2-methylpropanamide

N-[6-Chloro-9-[2-deoxy-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-2-[2-(trimethylsilyl)ethynyl]-β-D-ribofuranosyl]-9H-purin-2-yl]-2-methylpropanamide

N-[6-Chloro-9-[3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-erythro-pentofuranos-2-ulos-1-yl]-9H-purin-2-yl]-2-methylpropanamide

N-[6-Chloro-9-[3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-ribofuranosyl]-9H-purin-2-yl]-2-methylpropanamide

N-[[P(S),2′R]-2-(Acetylamino)-2′-deoxy-2′-fluoro-N,N,2′-trimethyl-P-phenyl-5′-adenylyl]-L-alanine 1-methylethyl ester

(2′R)-2-(Acetylamino)-2′-deoxy-2′-fluoro-N,N,2′-trimethyl-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]adenosine

N-[[P(S),2′R]-2′-Deoxy-2′-fluoro-N,N,2′-trimethyl-P-phenyl-2-[(2-methyl-1-oxopropyl)amino]-5′-adenylyl]-L-alanine 1-methylethyl ester

(2′R)-2′-Deoxy-2′-fluoro-N,N,2′-trimethyl-2-[(2-methyl-1-oxopropyl)amino]adenosine

(2′R)-2′-Deoxy-2′-fluoro-N,N,2′-trimethyl-2-[(2-methyl-1-oxopropyl)amino]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]adenosine