1. Department of Medicinal Chemistry, ‡Department of Molecular
Structure, §Department of Pharmacokinetics
and Drug Metabolism, and ∥Department of Neuroscience, Amgen, Inc., One Amgen
Center Drive, Thousand Oaks, California 93012-1799, United States
2. Department of Molecular Structure
and Characterization, ∇Department of Neuroscience, and ○Department of
Pharmacokinetics and Drug Metabolism, Amgen, Inc., 1120 Veterans Boulevard, South San Francisco, California 94080, United States