deet, diethyltoluamide, n,n-diethyl-meta-toluamide, c12h17no molecule. it is active ingredient in insect repellents. structural

amide atom atomic biting blue c12h17no carbon chemical chemistry chiggers dark deet diethyl diethyltoluamide drawing flat flea formula hydrogen icon illustration insect leeches molecular molecule mosquito mosquitoes ndiethylmetatoluamide nitrogen organic oxygen receptor repellent structural structure tick toluamide vector white