State Key Laboratory of Bioactive Substance and Function of Natural Medicines;
Institute of Materia Medica;
Chinese Academy of Medical Sciences & Peking Union Medical College;
Beijing 100050;
China;
Institute of Materia Medica;
Chinese Academy of Medical Sciences & Peking Union Medical College;
Beijing 100050;
China;
National Institutes for Food and Drug Control;
Beijing 100050;
China;