1-[(5R,6R,8R,9R)-4-Amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2,2-dioxido-6-(1-pyrrolidinylmethyl)-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,5-dimethyl-2,4(1H,3H)-pyrimidinedione

1-[(5R,6R,8R,9R)-4-Amino-6-[(diethylamino)methyl]-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,5-dimethyl-2,4(1H,3H)-pyrimidinedione

1-[(5R,6R,8R,9R)-4-Amino-6-[(dimethylamino)methyl]-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,5-dimethyl-2,4(1H,3H)-pyrimidinedione

1-[(5R,6R,8R,9R)-4-Amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-(hydroxymethyl)-3-(3-methyl-2-buten-1-yl)-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,5-dimethyl-2,4(1H,3H)-pyrimidinedione

1-[(5R,6R,8R,9R)-4-Amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-(hydroxymethyl)-2,2-dioxido-3-(2-propen-1-yl)-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,5-dimethyl-2,4(1H,3H)-pyrimidinedione

1-[(5R,6R,8R,9R)-4-Amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2,2-dioxido-6-[(phenylmethoxy)methyl]-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,5-dimethyl-2,4(1H,3H)-pyrimidinedione

1-[(5R,6R,8R,9R)-4-Amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-(methoxymethyl)-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,5-dimethyl-2,4(1H,3H)-pyrimidinedione

1-[(5R,6R,8R,9R)-4-Amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[(2-methylpropoxy)methyl]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,5-dimethyl-2,4(1H,3H)-pyrimidinedione

1-[(5R,6R,8R,9R)-4-Amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[(3-methyl-2-buten-1-yl)oxy]methyl]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,5-dimethyl-2,4(1H,3H)-pyrimidinedione

1-[(5R,6R,8R,9R)-4-Amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2,2-dioxido-6-[(2-propen-1-yloxy)methyl]-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,5-dimethyl-2,4(1H,3H)-pyrimidinedione

Carbamothioic acid, dimethyl-, O-[[(5R,6R,8R,9R)-4-amino-8-(3,4-dihydro-3,5-dimethyl-2,4-dioxo-1(2H)-pyrimidinyl)-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-6-yl]methyl] ester

Carbamic acid, dimethyl-, [(5R,6R,8R,9R)-4-amino-8-(3,4-dihydro-3,5-dimethyl-2,4-dioxo-1(2H)-pyrimidinyl)-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-6-yl]methyl ester

[(5R,6R,8R,9R)-4-Amino-8-(3,4-dihydro-3,5-dimethyl-2,4-dioxo-1(2H)-pyrimidinyl)-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-6-yl]methyl 2-methylpropanoate

1-[(5R,6R,8R,9R)-6-[(Acetyloxy)methyl]-4-amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,5-dimethyl-2,4(1H,3H)-pyrimidinedione

Thymidine 5′-(trihydrogen diphosphate), P′-[3,4,6-trideoxy-3-(methylamino)-α-D-xylo-hexopyranosyl] ester

Thymidine 5′-(trihydrogen diphosphate), P′-[3,4,6-trideoxy-3-(dimethylamino)-α-D-xylo-hexopyranosyl] ester

Thymidine 5′-(trihydrogen diphosphate), P′-(3-amino-3,4,6-trideoxy-α-D-xylo-hexopyranosyl) ester

3,6-Epoxy-2H,8H-pyrimido[6,1-b][1,3]oxazocine-8,10(9H)-dione, 5,5-difluorohexahydro-4-hydroxy-, (3R,4R,6R)-

Uridine, 2′-deoxy-2′,2′-difluoro-5,6-dihydro-6-hydroxy-, (6S)-

Uridine, 2′-deoxy-2′,2′-difluoro-5,6-dihydro-6-hydroxy-, (6R)-