1. Department of Natural Products Chemistry, College of Pharmacy; Jilin University; 1266 Fujin Road Changchun 130021 P.R. China
2. Department of Clinical Laboratory; The Second Affiliated Hospital of Dalian Medicine University; 467 Zhongshan Road Dalian 116023 P.R. China
3. Chinese Medicine Research Center; The Affiliated Hospital to Changchun University of Chinese Medicine; 1478 Gongnong Road Changchun 130000 P.R. China
4. College of Chemistry; Jilin University; 2699 Qianjin Street Changchun 130012 P.R. China