| coumaphos | <chemical> A organothiophosphorus cholinesterase inhibitor that is used as an anthelmintic, insecticide, and as a nematocide. Pharmacological action: anthelmintic, antinematodal agent, cholinesterase inhibitor, insecticide, organothiophosphate. Chemical name: Phosphorothioic acid, O-(3-chloro-4-methyl-2-oxo-2H-1-benzopyran-7-yl) O,O-diethyl ester (12 Dec 1998) |
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