1. Yunnan Key Laboratory of Screening and Research on Anti-pathogenic Plant Resources from Western Yunnan, Dali University , Dali 671000 , People’s Republic of China
2. Institute of Materia Medica and College of Pharmacy, Dali University , Dali 671000 , People’s Republic of China
3. Bijie Medical College , Bijie 551700 , People’s Republic of China