L-Alanine, N-[(S)-[2-[(2,2-dimethyl-1-oxopropyl)thio]ethoxy]hydroxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 6-chloro-9-(2-deoxy-2,2-dimethyl-β-D-erythro-pentofuranosyl)-9H-purin-2-amine

L-Alanine, N-[(R)-[2-[(2,2-dimethyl-1-oxopropyl)thio]ethoxy]hydroxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 6-chloro-9-(2-deoxy-2,2-dimethyl-β-D-erythro-pentofuranosyl)-9H-purin-2-amine

L-Alanine, N-[[2-[(2,2-dimethyl-1-oxopropyl)thio]ethoxy]hydroxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 6-chloro-9-(2-deoxy-2,2-dimethyl-β-D-erythro-pentofuranosyl)-9H-purin-2-amine

D-Alanine, N-[(S)-[2-[(2,2-dimethyl-1-oxopropyl)thio]ethoxy]hydroxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 6-chloro-9-(2-deoxy-2,2-dimethyl-β-D-erythro-pentofuranosyl)-9H-purin-2-amine

D-Alanine, N-[(R)-[2-[(2,2-dimethyl-1-oxopropyl)thio]ethoxy]hydroxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 6-chloro-9-(2-deoxy-2,2-dimethyl-β-D-erythro-pentofuranosyl)-9H-purin-2-amine

D-Alanine, N-[[2-[(2,2-dimethyl-1-oxopropyl)thio]ethoxy]hydroxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 6-chloro-9-(2-deoxy-2,2-dimethyl-β-D-erythro-pentofuranosyl)-9H-purin-2-amine

Alanine, N-[[2-[(2,2-dimethyl-1-oxopropyl)thio]ethoxy]hydroxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 6-chloro-9-(2-deoxy-2,2-dimethyl-β-D-erythro-pentofuranosyl)-9H-purin-2-amine

L-Alanine, N-[(S)-[2-[(2,2-dimethyl-1-oxopropyl)thio]ethoxy]hydroxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 9-(2-deoxy-2,2-dimethyl-β-D-erythro-pentofuranosyl)-6-fluoro-9H-purin-2-amine

L-Alanine, N-[(R)-[2-[(2,2-dimethyl-1-oxopropyl)thio]ethoxy]hydroxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 9-(2-deoxy-2,2-dimethyl-β-D-erythro-pentofuranosyl)-6-fluoro-9H-purin-2-amine

L-Alanine, N-[[2-[(2,2-dimethyl-1-oxopropyl)thio]ethoxy]hydroxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 9-(2-deoxy-2,2-dimethyl-β-D-erythro-pentofuranosyl)-6-fluoro-9H-purin-2-amine

D-Alanine, N-[(S)-[2-[(2,2-dimethyl-1-oxopropyl)thio]ethoxy]hydroxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 9-(2-deoxy-2,2-dimethyl-β-D-erythro-pentofuranosyl)-6-fluoro-9H-purin-2-amine

D-Alanine, N-[(R)-[2-[(2,2-dimethyl-1-oxopropyl)thio]ethoxy]hydroxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 9-(2-deoxy-2,2-dimethyl-β-D-erythro-pentofuranosyl)-6-fluoro-9H-purin-2-amine

D-Alanine, N-[[2-[(2,2-dimethyl-1-oxopropyl)thio]ethoxy]hydroxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 9-(2-deoxy-2,2-dimethyl-β-D-erythro-pentofuranosyl)-6-fluoro-9H-purin-2-amine

Alanine, N-[[2-[(2,2-dimethyl-1-oxopropyl)thio]ethoxy]hydroxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 9-(2-deoxy-2,2-dimethyl-β-D-erythro-pentofuranosyl)-6-fluoro-9H-purin-2-amine

N-[[P(S)]-2-Amino-N-cyclopropyl-2′-deoxy-P-[2-[(2,2-dimethyl-1-oxopropyl)thio]ethyl]-2′,2′-dimethyl-5′-adenylyl]-L-alanine 1-methylethyl ester

N-[[P(R)]-2-Amino-N-cyclopropyl-2′-deoxy-P-[2-[(2,2-dimethyl-1-oxopropyl)thio]ethyl]-2′,2′-dimethyl-5′-adenylyl]-L-alanine 1-methylethyl ester

N-[2-Amino-N-cyclopropyl-2′-deoxy-P-[2-[(2,2-dimethyl-1-oxopropyl)thio]ethyl]-2′,2′-dimethyl-5′-adenylyl]-L-alanine 1-methylethyl ester

N-[[P(S)]-2-Amino-N-cyclopropyl-2′-deoxy-P-[2-[(2,2-dimethyl-1-oxopropyl)thio]ethyl]-2′,2′-dimethyl-5′-adenylyl]-D-alanine 1-methylethyl ester

N-[[P(R)]-2-Amino-N-cyclopropyl-2′-deoxy-P-[2-[(2,2-dimethyl-1-oxopropyl)thio]ethyl]-2′,2′-dimethyl-5′-adenylyl]-D-alanine 1-methylethyl ester

N-[2-Amino-N-cyclopropyl-2′-deoxy-P-[2-[(2,2-dimethyl-1-oxopropyl)thio]ethyl]-2′,2′-dimethyl-5′-adenylyl]-D-alanine 1-methylethyl ester