Reaction of ethyl iodide with triethylamine yields a crystalline compound C8H20NI in high yield. This compound is

Question:

Reaction of ethyl iodide with triethylamine yields a crystalline compound C8H20NI in high yield. This compound is soluble in polar solvents such as water but insoluble in nonpolar ones such as diethyl ether. It does not melt below about 200°C. Suggest a reasonable structure for this product.