1beta-D-Ribofuranosyl-5-fluoropyrimidin-2(1H)-one 2(1H)-Pyrimidinone, 5-fluoro-1-beta-D-ribofuranosyl- 5-F-Zebularine 5-Fluoro-zebularine 5-Fluoropyrimidin-2-one beta-ribofuranoside 5-Fluoropyrimidin-2-one ribonucleoside 5-Fluoropyrimidin-2-one riboside 5-Fpor 64967-16-4