1. College of Pharmaceutical SciencesSouthwest University Chongqing 400715 China
2. Laboratory for Marine Drugs and Bioproducts of Qingdao, National Laboratory for Marine Science and Technology Qingdao 266237 China
3. State Key Laboratory of Silkworm Genome BiologySouthwest University Chongqing 400715 China
4. State Key Laboratory of Bioactive Substance and Function of Natural MedicinesInstitute of Materia MedicaChinese Academy of Medical Sciences & Peking Union Medical College Beijing 100050 China