1(2H)-Pyrimidineacetic acid, 3,4-dihydro-2,4-dioxo-5-fluoro-, pentyl ester 174582-13-9 5-Fluorouracil-1-acetylpentane Pentyl 3,4-dihydro-2,4-dioxo-5-fluoro-1(2H)-pyrimidineacetate