Imidacloprid;吡虫啉;138261-41-3 Formula:C9H10ClN5O2 Imidacloprid is a systemic & contact insecticide exhibiting low mammalian toxicity. Imidacloprid is one of the neonicotinoid insecticides, which acts as an antagonist by binding to postsynaptic nicotinic receptors in the insect central nervous system.