Affiliation: | 1. Key Laboratory of Drug‐Targeting and Drug‐Delivery Systems of the Education Ministry, Department of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, Chengdu, 610041 (China), Fax: (+86)?28‐8550‐2609;2. State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041 (China) |