Affiliation: | a Department of Medicinal Chemistry, Merck Research Laboratories, PO Box 2000, Rahway, NJ 07065, USA b Department of Cardiovascular Diseases, Merck Research Laboratories, PO Box 2000, Rahway, NJ 07065, USA c Department of Pharmacology, Merck Research Laboratories, PO Box 2000, Rahway, NJ 07065, USA |