1. College of Pharmaceutical Sciences, Key Laboratory of Pharmaceutical Quality Control of Hebei Province, State Key Laboratory of New Pharmaceutical Preparations and Excipients, Hebei University, Baoding 071002, China
2. School of Chemistry and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China
3. Huanghe Science & Technology College, Zhengzhou 450005, China
4. Department of Chemistry, Mississippi State University, Mississippi State, Mississippi 39762, United States