Affiliation: | 1. State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, P. R. China, (phone: +86-871-5223251;2. fax: +86-871-5216343) Scientific Research Center, Chengdu Medical College, Chengdu 610083, P. R. China;3. Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, P. R. China;4. fax: +86-871-5216343) |