1. Process Research and Development, Merck & Co., Inc., Rahway, New Jersey 07065, United States
2. Discovery Chemistry, Merck & Co., Inc., Kenilworth, New Jersey 07033, United States
3. Analytical Research and Development, Merck & Co., Inc., Rahway, New Jersey 07065, United States
4. WuXi AppTec (Tianjin) Co. Ltd., Tianjin 300457, China