structural formula for coffein with coffee beans

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Photo credit: © blickwinkel/Steidi / Alamy / Afripics
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Keywords: aliment, analytical, background, bean, beans, beverage, beverages, chemical, chemist, chemistry, chemists, coffee, coffein, cut, cut-, cut-outs, cutout, cutouts, drink, drinks, food, foods, foodstuffs, format, formula, formulas, horizontal, natural, outs, science, structural, structure, structures, white