1. Center for Research Development and Evaluation of Pharmaceutical Excipients and Generic DrugsState Key Laboratory of Natural Medicines and Department of PharmaceuticsSchool of PharmacyChina Pharmaceutical University 24 Tong Jia Xiang Nanjing 210009 P. R. China
2. State Key Laboratory of Fine ChemicalsDalian University of Technology 2 Linggong Road Dalian 116024 P. R. China
3. NMPA Key Laboratory for Quality Research and Evaluation of Pharmaceutical ExcipientsInstitute for Control of Pharmaceutical Excipient and Packaging MaterialNational Institutes for Food and Drug Control 2 Tiantan Xili Beijing 100050 P. R. China