5-fluoro-3-(2-methylbenzoyl)-1H-pyrimidine-2,4-dione

1-ethyl-5-fluorouracil

1,3-diethyl-5-fluoropyrimidine-2,4-dione

3-(1,3-二氢-3-氧代-1-异苯并呋喃基)-5-氟-2,4(1H,3H)-嘧啶二酮

5-Fluoro-1-(4-fluorobenzyl)-2,4(1H,3H)-pyrimidinedione