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;
Yunnan Key Laboratory of Natural Medicinal Chemistry;
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;
Isodon xerophilus; Endophytic fungus; Arthrinium; Botryane sesquiterpenoid; Quantum chemical calculation;