agrochemical
An agrochemical is a substance that is used in agriculture or horticulture.
insecticide
Strictly, a substance intended to kill members of the class Insecta. In common usage, any substance used for preventing, destroying, repelling or controlling insects.
(via organochlorine insecticide )
pesticide
Strictly, a substance intended to kill pests. In common usage, any substance used for controlling, preventing, or destroying animal, microbiological or plant pests.
(via organochlorine pesticide )
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1-[(2-chloro-1,3-thiazol-5-yl)methyl]-3-(3,5-dichlorophenyl)-9-methyl-2,4-dioxo-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-1-ium-3-ide
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1-[(2-chloro-5-thiazolyl)methyl]-3-(3,5-dichlorophenyl)-9-methyl-2,4-dioxo-2H-pyrido[1,2-a]pyrimidinium inner salt
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Alan Wood's Pesticides
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