State Key Laboratory of Phytochemistry and Plant Resources in West China;
Kunming Institute of Botany;
Chinese Academy of Sciences;
Yunnan Key Laboratory of Natural Medicinal Chemistry;
Kunming 650201;
China;
University of Chinese Academy of Sciences;
Beijing 100049;
China;
Guaianolide dimers; Artematrolides Ae R; Artemisia atrovirens; Cytotoxicity; Cell cycle; Apoptosis;