2H-Furo[3,2-l][1,6,11,3,2]trioxaazaphosphacyclotetradecine-5,10(6H,11H)-dione, 2-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-3-fluorooctahydro-3,11-dimethyl-13-phenoxy-, 13-oxide, (2R,3R,3aR,11S,13S,15aR)-

2H-Furo[3,2-l][1,6,11,3,2]trioxaazaphosphacyclotetradecine-5,10(6H,11H)-dione, 2-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)octahydro-11-methyl-13-phenoxy-, 13-oxide, (2R,3aS,11S,13R,15aR)-

2H,5H-Furo[3,2-k][1,6,10,3,2]trioxaazaphosphacyclotridecine-5,9(10H)-dione, 2-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-3-fluorooctahydro-3,10-dimethyl-12-phenoxy-, 12-oxide, (2R,3R,3aR,10S,12R,14aR)-

2H,5H-Furo[3,2-k][1,6,10,3,2]trioxaazaphosphacyclotridecine-5,9(10H)-dione, 2-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-3-fluorooctahydro-3,10-dimethyl-12-phenoxy-, 12-oxide, (2R,3R,3aR,10S,12S,14aR)-

10H-Furo[3,2-j][1,6,9,3,2]trioxaazaphosphacyclododecine-2,5(3H,6H)-dione, 12-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-13-fluorohexahydro-3,6,13-trimethyl-8-phenoxy-, 8-oxide, (3S,6S,8R,10aR,12R,13R,13aR)-

10H-Furo[3,2-j][1,6,9,3,2]trioxaazaphosphacyclododecine-2,5(3H,6H)-dione, 12-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-13-fluorohexahydro-3,6,13-trimethyl-8-phenoxy-, 8-oxide, (3S,6S,8S,10aR,12R,13R,13aR)-

10H-Furo[3,2-j][1,6,9,3,2]trioxaazaphosphacyclododecine-2,5(3H,6H)-dione, 12-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)hexahydro-3,6-dimethyl-8-phenoxy-, 8-oxide, (3S,6S,8R,10aR,12R,13aS)-

10H-Furo[3,2-j][1,6,9,3,2]trioxaazaphosphacyclododecine-2,5(3H,6H)-dione, 12-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)hexahydro-3,6-dimethyl-8-phenoxy-, 8-oxide, (3S,6S,8S,10aR,12R,13aS)-

L-Alanine, N-[[P(S)]-2′-deoxy-P-phenyl-5′-uridylyl]-, 3-carboxypropyl ester

L-Alanine, N-[[P(S),2′R]-2′-deoxy-2′-fluoro-2′-methyl-P-phenyl-5′-uridylyl]-, 3-carboxypropyl ester

N-[[P(S),2′R]-2′-Deoxy-2′-fluoro-2′-methyl-P-phenyl-5′-uridylyl]-L-alanine (1S)-1-carboxyethyl ester

N-[[P(S),2′R]-2′-Deoxy-2′-fluoro-2′-methyl-P-phenyl-3′-O-[(phenylmethoxy)carbonyl]-5′-uridylyl]-L-alanine (1S)-1-methyl-2-oxo-2-(phenylmethoxy)ethyl ester

L-Alanine, N-(2′-deoxy-P-phenyl-5′-uridylyl)-, 3-carboxypropyl ester

L-Alanine, N-(2′-deoxy-P-phenyl-5′-uridylyl)-, (1S)-1-carboxyethyl ester

L-Alanine, N-[(2′R)-2′-deoxy-2′-fluoro-2′-methyl-P-phenyl-3′-O-[(phenylmethoxy)carbonyl]-5′-uridylyl]-, 7-carboxyheptyl ester

L-Alanine, N-[(2′R)-2′-deoxy-2′-fluoro-2′-methyl-P-phenyl-3′-O-[(phenylmethoxy)carbonyl]-5′-uridylyl]-, 6-carboxyhexyl ester

Uridine, 2′-deoxy-2′-fluoro-2′-methyl-, 5′-[phenyl N-[(1S)-2-[(1-carboxypentyl)oxy]-1-methyl-2-oxoethyl]phosphoramidate], (2′R)-

Uridine, 2′-deoxy-2′-fluoro-2′-methyl-, 5′-[phenyl N-[(1S)-2-(4-carboxybutoxy)-1-methyl-2-oxoethyl]phosphoramidate], (2′R)-