Synonyms: Aceticacid, (2,4-dichlorophenoxy)-, butyl ester (6CI,8CI,9CI); 2,4-D Butylate; 2,4-Dbutyl ester; 2,4-DBE; 2,4-Dichlorophenoxyacetic acid butyl ester;2,4-Dichlorophenoxyacetic acid n-butyl ester; Butapon; Butyl(2,4-dichlorophenoxy)acetate; Butyl 2,4-D; Butyl dichlorophenoxyacetate; EssoHerbicide 10; Esteron 400BR; Fernesta; Hi-Ester 2,4-D; Lironox; NSC 409767