1(2H)-Pyrimidinecarboxamide, 5-fluoro-3,4-dihydro-N-methyl-2,4-dioxo- 1-Methylcarbamoyl-5-fluorouracil 5-Fluoro-3,4-dihydro-N-methyl-2,4-dioxo-1(2H)-pyrimidinecarboxamide 56563-18-9