L-Alanine, N-[(S)-hydroxyphenoxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 9-(2-amino-2-deoxy-2-C-ethynyl-β-D-ribofuranosyl)-9H-purin-2-amine

L-Alanine, N-[(S)-hydroxyphenoxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 2-amino-7-[(2R)-2-chloro-2-deoxy-2-(3-fluoro-1-propyn-1-yl)-β-D-erythro-pentofuranosyl]-5-fluoro-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one

L-Alanine, N-[(S)-hydroxyphenoxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 2-amino-7-[(2R)-2-chloro-2-deoxy-2-(3-fluoro-1-propyn-1-yl)-β-D-erythro-pentofuranosyl]-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one

L-Alanine, N-[(S)-hydroxyphenoxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 9-[(2R)-2-chloro-2-deoxy-2-(3-fluoro-1-propyn-1-yl)-β-D-erythro-pentofuranosyl]-9H-purin-2-amine

L-Alanine, N-[(S)-hydroxyphenoxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 2-amino-7-[(2R)-2-chloro-2-deoxy-2-(1-propyn-1-yl)-β-D-erythro-pentofuranosyl]-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one

L-Alanine, N-[(S)-hydroxyphenoxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 9-[(2R)-2-chloro-2-deoxy-2-(1-propyn-1-yl)-β-D-erythro-pentofuranosyl]-9H-purin-2-amine

L-Alanine, N-[(S)-hydroxyphenoxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 2-amino-7-[(2R)-2-chloro-2-(2-chloroethynyl)-2-deoxy-β-D-erythro-pentofuranosyl]-5-fluoro-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one

L-Alanine, N-[(S)-hydroxyphenoxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 2-amino-7-[(2R)-2-chloro-2-(2-chloroethynyl)-2-deoxy-β-D-erythro-pentofuranosyl]-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one

L-Alanine, N-[(S)-hydroxyphenoxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 9-[(2R)-2-chloro-2-(2-chloroethynyl)-2-deoxy-β-D-erythro-pentofuranosyl]-9H-purin-2-amine

L-Alanine, N-[(S)-hydroxyphenoxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 2-amino-7-[(2R)-2-chloro-2-deoxy-2-ethynyl-β-D-erythro-pentofuranosyl]-5-fluoro-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one

L-Alanine, N-[(S)-hydroxyphenoxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 2-amino-7-[(2R)-2-chloro-2-deoxy-2-ethynyl-β-D-erythro-pentofuranosyl]-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one

L-Alanine, N-[(S)-hydroxyphenoxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 9-[(2R)-2-chloro-2-deoxy-2-ethynyl-β-D-erythro-pentofuranosyl]-9H-purin-2-amine

L-Alanine, N-[(S)-hydroxyphenoxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 2-amino-7-[(2R)-2-deoxy-2-fluoro-2-(3-fluoro-1-propyn-1-yl)-β-D-erythro-pentofuranosyl]-5-fluoro-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one

L-Alanine, N-[(S)-hydroxyphenoxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 2-amino-7-[(2R)-2-deoxy-2-fluoro-2-(3-fluoro-1-propyn-1-yl)-β-D-erythro-pentofuranosyl]-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one