1. School of Pharmacy, Henan University , Kaifeng 475004 , China;
2. Department of Medicinal Chemistry and Natural Medicine Chemistry (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), Harbin Medical University , Harbin 832001 , China;
3. School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University , Shenyang 150081 , China;
4. School of Pharmacy, Shihezi University (Key Laboratory of Xinjiang Phytomedicine Resource and Utilization, Ministry of Education) , Shihezi 110016 , China