Winston flavor. Food Ingredients>>Flavor Enhancers flavor & Condiments>>Spices & Herbs flavor & Condiments>>Pu ingredientsComposition Composition(W % weight percentage) CAS Nunumber 1:2-Trimethylpyrazine2:2-3 methyl pyrazineAroma: to have the strong aroma of nuts. 1 1.63244/14667-55-12 2,3,5,6-Tetramethylpyrazine3 2,3,5,6-four methyl pyrazineBaking, peanut, hazeinut, cocoa smell 2 1.43237/prefix ...