1. Departments of Medicinal Chemistry, Merck Research Laboratories, Rahway, New Jersey 07065,
United States
2. Ion Channels, Merck Research Laboratories, Rahway, New Jersey 07065, United
States
3. Drug Metabolism and
Pharmacokinetics, Merck Research Laboratories, Rahway, New Jersey 07065,
United States
4. Pharmacology, Merck Research Laboratories, Rahway, New Jersey 07065, United
States