1. Medicinal Chemistry Merck & Co. Inc 2015 Galloping Hill Road Kenilworth NJ 07033 USA
2. Process and Analytical Chemistry Merck & Co. Inc 2015 Galloping Hill Road Kenilworth NJ 07033 USA
3. Computational and structural chemistry Merck & Co. Inc 2015 Galloping Hill Road Kenilworth NJ 07033 USA