Where can I find Baking powder in Riken?

Baking powder can also be found in these cities:

Aarau Balsthal Buchs Egerkingen Egolzwil Erlinsbach Gränichen Herzogenbuchsee Huttwil Langenthal Lostorf Murgenthal Oberkirch Oensingen Oftringen Olten Reiden Rothrist Schöftland Schönenwerd Suhr Sursee Unterentfelden Zell Zofingen

You can also find this in Riken:

Cream Products Gelatine Crispbread Cornflakes Antipasti Fund Pepper Dumplings Sesame Roll Mayonnaise And More