State Key Laboratory of Phytochemistry and Plant Resources in West China;
Kunming Institute of Botany;
Chinese Academy of Sciences;
Kunming 650201;
People’s Republic of China;
University of Chinese Academy of Sciences;
Beijing 100049;
People’s Republic of China;
Laboratory of Phytobiochemistry and Medicinal Plants Study;
Department of Biochemistry;
Faculty of Science;
University of Yaounde 1;
P.O.Box 812;
Yaounde;
Cameroon;
Ecdysanthera rosea; Sesquiterpenoid; Phenolic glycoside; Absolute configuration;