1. Chemical Process Development, Biogen, 225 Binney Street, Cambridge, Massachusetts 02142, United States
2. WuXi Chemistry Department, WuXi AppTec (Wuhan) Co., Ltd., No. 666 GaoXin Road, WuHan East Lake High-Tech Development Zone, Wuhan 430223, China
3. WuXi Chemistry Department, WuXi AppTec (Tianjin) Co., Ltd., 168 Nanhai Road, Tianjin Economic-Technological Development Area (TEDA), Tianjin 300457, China