Davicil DCMU DDT DDT in Australia DDT in New Zealand DDT in the United States Dehydroacetic acid Deltamethrin Diatomaceous earth Diazinon Dicamba Dicarboximide fungicides 1,2-Dibromo-3-chloropropane 1,2-Dibromoethane Dichlofenthion 2,6-Dichlorobenzonitrile 2,4-Dichlorophenoxyacetic acid 1,3-Dichloropropene Dichlorprop Dichlorvos Dicrotophos 1,3-Difluoro-2-propanol Dimethenamid Dinoseb Dioxathion Diphenylamine Diquat Disodium methyl arsenate Disulfoton Dithiopyr Dow Chemical Company