Where can I find Baking soda in Rüthi?

Baking soda can also be found in these cities:

Abtwil SG Altach Altstätten Appenzell Au Buchs Diepoldsau Dornbirn Feldkirch Fußach Göfis Götzis Heiden Herisau Hohenems Koblach Laterns Lustenau Mäder Nenzing Nüziders Oberriet Rheineck Sankt Margrethen Schlins Schnifis Schwarzach St. Gallen Sulz Teufen Thüringen Walenstadt Weiler Widnau Wittenbach Wolfurt Übersaxen

You can also find this in Rüthi:

Dumplings Sesame Roll Mayonnaise And More Pudding Powder Soy Products Cognac Chewing Gum Toast Spreadable Sausage Cream Products