5-Amino-3-[2-O-acetyl-3,6,7-trideoxy-5-O-(2-methyl-1-oxopropyl)-α-L-lyxo-heptofuranosyl]thiazolo[4,5-d]pyrimidine-2,7(3H,6H)-dione

5-Amino-3-[5-O-benzoyl-2,3-dideoxy-2-(2-methyl-2-propen-1-yl)-β-D-erythro-pentofuranosyl]thiazolo[4,5-d]pyrimidine-2,7(3H,6H)-dione

5-Amino-3-[5-O-benzoyl-3-deoxy-2-O-(phenoxythioxomethyl)-β-D-erythro-pentofuranosyl]thiazolo[4,5-d]pyrimidine-2,7(3H,6H)-dione

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

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

5-Amino-3-[3-deoxy-5-O-[(1,1-dimethylethyl)dimethylsilyl]-2-O-[(trifluoromethyl)sulfonyl]-β-D-threo-pentofuranosyl]-2,3-dihydro-2-oxothiazolo[4,5-d]pyrimidin-7-yl 1,1,1-trifluoromethanesulfonate

5-Amino-3-[3-deoxy-5-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-threo-pentofuranosyl]thiazolo[4,5-d]pyrimidine-2,7(3H,6H)-dione

5-Amino-3-[(2R,5S)-5-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]tetrahydro-3-oxo-2-furanyl]thiazolo[4,5-d]pyrimidine-2,7(3H,6H)-dione

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

5-Amino-3-(5-O-benzoyl-3-deoxy-β-D-erythro-pentofuranosyl)thiazolo[4,5-d]pyrimidine-2,7(3H,6H)-dione

3-(2-O-Acetyl-5-O-benzoyl-3-deoxy-β-D-erythro-pentofuranosyl)-5-aminothiazolo[4,5-d]pyrimidine-2,7(3H,6H)-dione

5-Amino-3-[5-O-benzoyl-2,3-dideoxy-2-[(methylsulfonyl)amino]-β-D-erythro-pentofuranosyl]thiazolo[4,5-d]pyrimidine-2,7(3H,6H)-dione

5-Amino-3-(2-amino-5-O-benzoyl-2,3-dideoxy-β-D-erythro-pentofuranosyl)thiazolo[4,5-d]pyrimidine-2,7(3H,6H)-dione

5-Amino-3-(2-azido-5-O-benzoyl-2,3-dideoxy-β-D-erythro-pentofuranosyl)thiazolo[4,5-d]pyrimidine-2,7(3H,6H)-dione

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

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

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

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

5-Amino-3-[(5ξ)-5-O-benzoyl-3,6,7-trideoxy-2-O-(phenoxythioxomethyl)-β-D-erythro-heptofuranosyl]thiazolo[4,5-d]pyrimidine-2,7(3H,6H)-dione

5-Amino-3-[(5ξ)-5-O-benzoyl-3,6,7-trideoxy-β-D-erythro-heptofuranosyl]thiazolo[4,5-d]pyrimidine-2,7(3H,6H)-dione