1,2-Dideoxy-1-(5-fluoro-3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-beta-D-erythro-Pentofuranurononitrile 54918-10-4 beta-D-erythro-Pentofuranurononitrile, 1,2-dideoxy-1-(5-fluoro-3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-