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

1-(4-氯苄基)-5-氟-尿嘧啶

1,3-bis(4-chlorobenzyl)-5-fluoropyrimidine-2,4(1H,3H)-dione

1-(4-溴苄基)-5-氟-尿嘧啶

1,3-bis(4-bromobenzyl)-5-fluoropyrimidine-2,4(1H,3H)-dione