caffeine stimulant molecule. present in coffee, tea and many soft and energy drinks. skeletal formula.

caffeine molecule formula stimulant skeletal 7methyltheophylline adenosine alkaloid atomic atoms c8h10n4o2 caffein caffeinated chemical chemistry coffee coffeine cola composition compound decaffeinated decaffeination dependence drawing drink energy flat guarana icon intoxication jitters kola line medical medicine methyltheobromine molecular pollutant receptor research science soft structure tea theine withdrawal xanthine yerba