2022-85-7 4-Amino-5-fluoro-2(1H)-pyrimidinone 5-FC 5-Fluorocystosine 5-Fluorocytosin 5-Fluorocytosine AIDS-007335 AIDS007335 Ancobon Ancotil Cytosine, 5-fluoro- Flucytosin Flucytosine Fluocytosine Fluorcytosine NSC103805 Ro 2-9915 Ro 29915 E/265601