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

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

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

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

C-[1-[5-[[[6-[[(9H-Fluoren-9-ylmethoxy)carbonyl]amino]-1-oxohexyl]amino]methyl]-2-nitrophenyl]ethyl] N-[3-[1-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-2-propen-1-yl]carbamate

4-Amino-1-[5-O-[hydroxy[(9Z)-9-octadecen-1-yloxy]phosphinyl]-β-D-arabinofuranosyl]-2(1H)-pyrimidinethione

4-Amino-1-[5-O-[(docosyloxy)hydroxyphosphinyl]-β-D-arabinofuranosyl]-2(1H)-pyrimidinethione

4-Amino-1-[5-O-[hydroxy(octadecyloxy)phosphinyl]-β-D-arabinofuranosyl]-2(1H)-pyrimidinethione

4-Amino-1-[5-O-[hydroxy(tetradecyloxy)phosphinyl]-β-D-arabinofuranosyl]-2(1H)-pyrimidinethione

4-Amino-1-[5-O-[hydroxy(octyloxy)phosphinyl]-β-D-arabinofuranosyl]-2(1H)-pyrimidinethione