4-氯-5-氟嘧啶; 5-氟-4-氯嘧啶; 4-氯-5-氟嘧啶 1G;

Pyrimidine, 4-chloro-5-fluoro- (9CI); 4-Chloro-5-fluoropyrimidine; 4-Chloro-5-fluoro-1,3-diazine; PyriMidine,4-chloro-5-fluoro-;