Organophosphate poisoning results from exposure to organophosphates - chemical compounds found in insecticides and nerve agents. Organophosphates cause the inhibition of acetylcholinesterase which leads to the accumulation of acetylcholine in the body. Organophosphate compounds include : insecticides - malathion, parathion, diazinon, fenthion, dichlorvos, chlorpyrifos, ethion and nerve gases - soman, sarin, tabun, VX.