NC63055
1-[2,3-Dideoxy-3-(hydroxypropylamino)-β-L-erythro-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione
NC63056
1-[2,3-Dideoxy-3-(hydroxypropylamino)-α-L-erythro-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione
NC63059
1-[2,3-Dideoxy-3-(hydroxymethylamino)-β-L-erythro-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione
