Carbonic acid, (1R)-1-[(2R,3S,5S)-2-[6,7-dihydro-5-[[(4-methoxyphenyl)diphenylmethyl]amino]-2,7-dioxothiazolo[4,5-d]pyrimidin-3(2H)-yl]-5-[(1S)-1-[[(1,1-dimethylethyl)diphenylsilyl]oxy]propyl]tetrahydro-3-furanyl]ethyl ethyl ester

Thiazolo[4,5-d]pyrimidine-2,7(3H,6H)-dione, 3-[(2R,3S,5S)-5-[(1S)-1-[[(1,1-dimethylethyl)diphenylsilyl]oxy]propyl]tetrahydro-3-[(1R)-1-hydroxyethyl]-2-furanyl]-5-[[(4-methoxyphenyl)diphenylmethyl]amino]-

3-[(2R,3S,5S)-3-[(1R)-1-(Acetyloxy)ethyl]-5-[(1S)-1-[[(1,1-dimethylethyl)diphenylsilyl]oxy]propyl]tetrahydro-2-furanyl]-5-[[(4-methoxyphenyl)diphenylmethyl]amino]thiazolo[4,5-d]pyrimidine-2,7(3H,6H)-dione

3-[(2R,3S,5S)-3-[(1S)-1-(Acetyloxy)ethyl]-5-[(1S)-1-[[(1,1-dimethylethyl)diphenylsilyl]oxy]propyl]tetrahydro-2-furanyl]-5-aminothiazolo[4,5-d]pyrimidine-2,7(3H,6H)-dione

3-[(2R,3S,5S)-3-[(1R)-1-(Acetyloxy)ethyl]-5-[(1S)-1-[[(1,1-dimethylethyl)diphenylsilyl]oxy]propyl]tetrahydro-2-furanyl]-5-aminothiazolo[4,5-d]pyrimidine-2,7(3H,6H)-dione

5-Amino-3-[2,3-dideoxy-5-O-[(1,1-dimethylethyl)diphenylsilyl]-2-(1-hydroxy-1-methylethyl)-β-D-erythro-pentofuranosyl]thiazolo[4,5-d]pyrimidine-2,7(3H,6H)-dione

Carbonic acid, (1R)-1-[(2R,3S,5S)-2-(5-amino-2-oxothiazolo[4,5-d]pyrimidin-3(2H)-yl)tetrahydro-5-[(1S)-1-hydroxypropyl]-3-furanyl]ethyl ethyl ester

(1R)-1-[(2R,3S,5S)-2-(5-Amino-2-oxothiazolo[4,5-d]pyrimidin-3(2H)-yl)tetrahydro-5-[(1S)-1-hydroxypropyl]-3-furanyl]ethyl 3-methylbutanoate

(1R)-1-[(2R,3S,5S)-2-(5-Amino-2-oxothiazolo[4,5-d]pyrimidin-3(2H)-yl)tetrahydro-5-[(1S)-1-hydroxypropyl]-3-furanyl]ethyl 2,2-dimethylpropanoate

(1R)-1-[(2R,3S,5S)-2-(5-Amino-2-oxothiazolo[4,5-d]pyrimidin-3(2H)-yl)tetrahydro-5-[(1S)-1-hydroxypropyl]-3-furanyl]ethyl 2-methylpropanoate

Thiazolo[4,5-d]pyrimidin-2(3H)-one, 3-[(2R,3S,5S)-5-[(1S)-1-(acetyloxy)propyl]tetrahydro-3-[(1R)-1-hydroxyethyl]-2-furanyl]-5-amino-

3-[(2R,3S,5S)-3-[(1R)-1-(Acetyloxy)ethyl]tetrahydro-5-[(1S)-1-hydroxypropyl]-2-furanyl]-5-aminothiazolo[4,5-d]pyrimidin-2(3H)-one

Thiazolo[4,5-d]pyrimidine-2,7(3H,6H)-dione, 5-amino-3-[(2R,3S,5S)-tetrahydro-3-(1-hydroxy-1-methylethyl)-5-[(1S)-1-hydroxypropyl]-2-furanyl]-

Thiazolo[4,5-d]pyrimidine-2,7(3H,6H)-dione, 3-[(2R,3S,5S)-3-[1-(acetyloxy)-1-methylethyl]tetrahydro-5-[(1S)-1-hydroxypropyl]-2-furanyl]-5-amino-

5-Amino-3-[(2R,3S,5S)-tetrahydro-3-[(R)-hydroxyphenylmethyl]-5-[(1S)-1-hydroxypropyl]-2-furanyl]thiazolo[4,5-d]pyrimidine-2,7(3H,6H)-dione

5-Amino-3-[(2R,3S,5S)-tetrahydro-3-[(S)-hydroxyphenylmethyl]-5-[(1S)-1-hydroxypropyl]-2-furanyl]thiazolo[4,5-d]pyrimidine-2,7(3H,6H)-dione

Thiazolo[4,5-d]pyrimidine-2,7(3H,6H)-dione, 3-[(2R,3S,5S)-5-[(1S)-1-(acetyloxy)propyl]tetrahydro-3-[(1R)-1-hydroxyethyl]-2-furanyl]-5-amino-

5-Amino-3-[(2R,3S,5S)-tetrahydro-5-[(1S)-1-hydroxypropyl]-3-[(1S)-1-methoxyethyl]-2-furanyl]thiazolo[4,5-d]pyrimidine-2,7(3H,6H)-dione

5-Amino-3-[(2R,3S,5S)-tetrahydro-5-[(1S)-1-hydroxypropyl]-3-[(1R)-1-(2-propen-1-yloxy)ethyl]-2-furanyl]thiazolo[4,5-d]pyrimidine-2,7(3H,6H)-dione

5-Amino-3-[(2R,3S,5S)-tetrahydro-5-[(1S)-1-hydroxypropyl]-3-[(1R)-1-(phenylmethoxy)ethyl]-2-furanyl]thiazolo[4,5-d]pyrimidine-2,7(3H,6H)-dione