Where can I find Three-grain bread in Rehmen?

Three-grain bread can also be found in these cities:

Alberschwende Andelsbuch Au Bizau Bludenz Bregenz Damüls Dessau-Roßlau Doren Dornbirn Egg Hittisau Innerbraz Kennelbach Krumbach Lech Mellau Nüziders Riezlern Schnepfau Schröcken Schwarzach Schwarzenberg Thüringen Warth Wolfurt

You can also find this in Rehmen:

Baking Soda Rusk Food For Diabetics Menus With Meat Filter Coffee Cheese Roll Canned Fish Fat Sauce Powder Spirits