略語大辞典 [Chem] 23 2,4-D 2,4-dichloro-phenoxyacetic acid ジクロロフェノキシ酢酸. 除草剤. 2,4-dichloro-phenoxyacetic acid; a toxic chemical; [Chem:Agri]. 丸善「略語大辞典」JLogosID : 11852350