1. Process Research & Development, Merck & Co., Inc., Rahway, New Jersey 07065, United States
2. Analytical Research & Development, Merck & Co., Inc., Rahway, New Jersey 07065, United States
3. Scientific Engineering & Design, Merck & Co., Inc., Kenilworth, New Jersey 07033, United States
4. Shanghai SynTheAll Pharmaceutical Co. Ltd., 9 Yuegong Road, Jinshan District, Shanghai 201507, China