According to the trademark query of place name signs. The chemical name of Annafi is caffeine sodium benzoate. Sodium benzoate is an organic compound with antiseptic effect, which is often used as a preservative in food and medicine, mainly to inhibit the growth of bacteria and fungi and prolong the product and shelf life. On the other hand, caffeine is an irritating substance, which is commonly found in coffee, tea, chocolate and some carbonated drinks. It is a central nervous system stimulant, which can improve people's alertness, attention, reaction speed and agility. When the two are mixed, it becomes Annafi.