Where can I find Baking soda in Urswil?

Baking soda can also be found in these cities:

Adliswil Affoltern am Albis Baar Buchrain Buochs Cham Ebikon Emmen Fahrwangen Goldau Hitzkirch Horw Kriens Küssnacht Lucerne Malters Menziken Muri Oberkirch Rain Reinach Rotkreuz ZG Ruswil Rüschlikon Schöftland Sempach Steinhausen Sursee Wolhusen Zug

You can also find this in Urswil:

Pudding Decorative Sugar Three-Grain Bread Cereals Delicatessen Sausage Spice Pastes Mashed Potatoes Raisin Roll Canned Sausage