Forensic Medicine Organophosphorus insecticides are all, except: MP 11 A Chlorpyriphos B Gardona (tetrachlorvinphos) C Dimethoate D Diethyltoluamide (DEET) 💡 Explanation Organophosphorus insecticides are all, except: MP 11 ✓ Correct Answer: D. Diethyltoluamide (DEET)