Determine the product produced of the reaction between 3,5-dimethylpyridine and isobutyl iodide.

Chemical structure of the product from 3,5-dimethylpyridine and isobutyl iodide.

Chemical structure of the product from 3,5-dimethylpyridine and isobutyl iodide with additional alkyl groups.

Chemical structure of the product from 3,5-dimethylpyridine and isobutyl iodide showing branching.

Chemical structure of the product from 3,5-dimethylpyridine and isobutyl iodide with multiple alkyl chains.