School of Chemical Science and Technology;
Yunnan University;
Kunming 650091;
People’s Republic of China;
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;
Endophytic fungus; Xylaria sp.; Secondary metabolites; Cytotoxicity;