1982-42-9 2,4-D amide 2,4-DA 2,4-Dichlorophenoxyacetamide 2,4-Dichlorophenoxyacetic acid amine salt 2,4-Dichlorophenoxyamide 2-(2,4-Dichlorophenoxy)acetamide 4-06-00-00915 (Beilstein Handbook Reference) AI3-18385 Acetamide, 2-(2,4-dichlorophenoxy)- BRN 2052836 EINECS 217-842-1 Emid NSC 3533