[(2S,5R)-5-(2,4-dioxopyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methyl acetate

1-[2,6-dioxa-bicyclo[3.2.0]hept-3-yl]-1H-pyrimidine-2,4-dione

1-((2R,5S)-5-((tert-butyldimethylsilyloxy)methyl)-2,5-dihydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione

1-[5-O-(tert-butyldiphenylsilyl)-2,3-dideoxy-β-D-glycero-pento-2-enofuranosyl]uracil

尿嘧啶核苷