(2R,3S,5R)-5-(4-chloro-5-iodo-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-2-(((4-methylbenzoyl)oxy)methyl)tetrahydrofuran-3-yl 4-methylbenzoate

((2R,3S,5S)-2,5-bis((4,5-dimethoxy-2-nitrobenzyl)oxy)-3-hydroxytetrahydrofuran-2-yl)methyl cyclododecyl bis(trimethylsilyl) silicate

1-(5-azido-2,5-dideoxy-α-D-erythro-pentofuranosyl)thymine

3,4-di-O-benzyl-2-deoxy-D-erythro-pentose dibenzyl dithioacetal

(Z)-1-(5-azido-2,5-dideoxy-β-D-erythro-pentofuranosyl)-5-(phenylmethylene)-2,4-imidazolidinedione