[(2S,5R)-5-[5-(methoxymethyl)-2,4-dioxopyrimidin-1-yl]oxolan-2-yl]methyl 4-methylbenzoate

1-(2,3-dideoxy-5-O-(4-methylbenzoyl)-α-D-glycero-pentofuranosyl)-5-methoxymethyluracil

1-(2-bromo-2,3-dideoxy-α-D-erythro-pentofuranosyl)uracil

[(2S,5R)-5-(5-Chloro-7-methylamino-imidazo[4,5-b]pyridin-3-yl)-tetrahydro-furan-2-yl]-methanol