Fluoropyrimidin

1-[(4-Ethoxy-3-nitrophenyl)sulfonyl]-5-fluoropyrimidine-2,4(1H,3H)-dione

1-[5,6-di-O-acetyl-2,3-dideoxy-3-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-beta-D-ribo-hexofuranosyl]-5-fluoropyrimidine-2,4(1H,3H)-dione