Fluorin is the most vivacious,and the strongest electronegative of all nonmatal elements.When fluorin is imported into organic compounds,their chemical and physical properties can be significantly changed.The pharmaceutical has series of special properties such as mimesis effect,lipophilic effect and stability etc.,which result in less toxicity,better metabolizability,longer pharmic effect and higher curative effect,when fluorin element or groups containing fluorin are imported into pharmaceutical.Al...