1. Department of Medicinal Chemistry, School of Pharmacy, Health Science Center, Xi’an Jiaotong University, Xi’an, Shaanxi P.R. China
2. Department of Orthopedics, People’s Hospital of Fufeng County in Shaanxi Province, Baoji, Shaanxi P.R. China
3. Department of Pharmacy, Shaanxi University of Science & Technology, Xi’an, Shaanxi P.R. China