145397-26-8 2(1H)-Pyrimidinone, 4-amino-5-fluoro-1-(2-(hydroxymethyl)-1,3-dioxolan-4-yl)-, (2S-cis)- 5-Fhmed-cytosine 5-Fluoro-1-(2-(hydroxymethyl)-1,3-dioxolan-4-yl)cytosine