Chemical constituents of dichloromethane extract from the stems of Ephedra intermedia
1. Henan University of Chinese Medicine, Zhengzhou 450046, China
2. Engineering and Technology Center for Chinese Medicine Development of Henan Province, Zhengzhou 450046, China
3. Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases by Henan Province and Ministry of Education of China, Zhengzhou 450046, China
4. State Key Laboratory on Technologies for Chinese Medicine Pharmaceutical Process Control and Intelligent Manufacture, Lianyungang 222001, China
收起