1. School of PharmacyLanzhou University Lanzhou China
2. Guiyang College of Traditional Chinese Medicine Guiyang China
3. State Key Laboratory of Applied Organic ChemistryDepartment of ChemistryLanzhou University Lanzhou China
4. Henan Engineering Research Center of Chiral Hydroxyl PharmaceuticalSchool of Chemistry and Chemical EngineeringHenan Normal University Xinxiang Henan China