The present invention provides a compound of formula I and the use thereof for the therapeutic treatment of disorders relating to or affected by the 5-HT6 receptor. The n-type region meets the p-type region at a p-n junction. The load-absorbing part has a transmission body forming a convexly shaped transmission surface guided on the bearing element on a carrier surface formed from surface parts adapted to the convexity of the transmission surface. Each of the screws extends into the groove of the housing.