2British Pharmacopoeia Commission. British Pharmacopoeia [ S ]. Apendix ⅩⅥ B A . London : The Stationery Office,2002.315
3Pheur Commission. Europe Pharmacopoeia[ S]. 5.2. Europe : Pheur Commission, 2005.2613
4The United States Pharmacopeial Convention. U. S Pharmacopeia / National Formulary[S]. 28. Washington : U. S Pharmacopeia Origination Press ,2005. 2752
5Japanese Pharmacopoeia Commission. The Japanese Pharmacopoeia[ S]. 14th. Tokyo: Hirogawa Bookshop,2000.60
