theobromine, dimethylxanthine, purine alkaloid c7h8n4o2 molecule. it is xanthine alkaloid in the cacao bean. structural chemical

adenosine alkaloid aphrodisiac atom atomic bean bronchodilator c7h8n4o2 cacao carbon chemical chemistry chocolate diuretic drawing flat formula guarana hydrogen icon illustration kola metabolite molecular molecule mouse nitrogen nucleotide organic oxygen phosphodiesterase purine stimulator structural structure theobroma theobromine theophylline vasodilator vector xantheose xanthine yerba