[1] Covance Pharmaceut R&D Shanghai Co Ltd Pudong, Bioanalyt Chem, Shanghai 201203, Peoples R China
[2] Frontage Labs Inc, Exton, PA 19341 USA
[3] United Power Pharma Tech Co Ltd UPP, Shanghai, Peoples R China
[4] Chinese Acad Sci, Shanghai Inst Mat Med, Shanghai 201210, Peoples R China