Novel benzofuran derivatives of the formula in which R1, R2, X, Y, Z and m have the meanings indicated in Patent Claim 1, they have a strong affinity to the 5-HT1A receptors. The apparatus comprises mainly a first product dispersion device, a weighing means and a second product dispersion device, whereas the first and second product dispersion device consist mainly of a base structure which has a multiply of through holes or slots, up through which one or more moveable protruding structures extends. , and optionally one or more further optional constituents, including a polyacrylate polymer, fragrances, colorants, etc.