1. Center for Molecular Science and Engineering, College of Science, Northeastern University, Shenyang 110819, P. R. China
2. Fujian Key Laboratory of Toxicant and Drug Toxicology, Medical College, Ningde Normal University, Ningde, Fujian 352100, P. R. China
3. College of Pharmacy, Dali University, Dali 671000, Yunnan, China