For example, ether includes ???alkoxyalkyl??? which refers to an alkyl, alkenyl, or alkynyl group substituted with an alkoxy group.The terms ???halide,??? ???halogen??? or ???halo??? as used herein alone or as part of another group refer to chlorine, bromine, fluorine, and iodine.The term ???heteroatom??? shall mean atoms other than carbon and hydrogen.The term ???heteroaromatic??? or ???heteroary