<unk> , also known as xantheose, is an alkaloid whose name is derived from the Theobroma family. It is the principal alkaloid of Theobroma cacao (cacao plant), tastes bitter, and has chemical formula C7H8N4O2. It is found in chocolate, as well as in a number of other foods, including the leaves of the tea plant, and the kola nut.
Theobromine
Phosphene
Benzoctamine
Cromoglicic acid
Chlorotrianisene
Magnetophosphene
Adapromine
Lepromin