1. Process Research & Development, MRL, Merck & Co., Inc., 770 Sumneytown Pike, West Point, Pennsylvania 19486, United States
2. Process Research & Development, MRL, Merck & Co., Inc., 126 E Lincoln Ave, Rahway, New Jersey 07065, United States
3. Discovery Chemistry, MRL, Merck & Co., Inc., 770 Sumneytown Pike, West Point, Pennsylvania 19486, United States
4. Discovery Chemistry, MRL, Merck & Co., Inc., 2000 Galloping Hill Rd, Kenilworth, New Jersey 07033, United States
5. Pharmaron Beijing Co., Ltd., No. 6 Tai-He Road, BDA, Beijing 100176, China