2-Amino-9-[(2R,3R,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-3H-purin-6-one

for the following products 2'-Deoxy-2'-fluoroguanosine | 2'-Fluoro-2'-deoxyguanosine | 2-Amino-9-((2R,3R,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-1,9-dihydro-6H-purin-6-one and 2-Amino-9-[(2R,3R,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-3H-purin-6-one