Our product shikimic acid is extracted from star anise to a single material, shikimic acid many alkaloids, aromatic amines, acids, indole derivatives, and chiral drugs synthesis of key precursors. More recently, shikimic acid for oseltamivir(Fe of the active ingredient of the starting material, oseltamivir is a neuraminidase inhibitor, for the treatment and prevention of influenza A and influenza B.