The invention relates to 6-[2-(1-Isopropyl-piperidin-4-yloxy)-7,8-dihydro-5H-[1,6]naphthyridin-6-y- l]-nicotinamide and to processes for the preparation of, compositions containing and the uses of, the compound. The compound is an H3 ligand and is useful in numerous diseases, disorders and conditions, in particular inflammatory, allergic and respiratory diseases, disorders and conditions.