1. Department of Small
Molecule Chemistry, ‡Department of Neuroscience, §Department of Molecular Structures, and ∥Department of
Medical Sciences, Amgen Inc., One Amgen Center Drive, Thousand Oaks, California 91320-1799, United
States
2. Department of Neuroscience and #Department of Pharmacokinetics and Drug Metabolism, Amgen Inc., 1120 Veterans Boulevard,
South San Francisco, California 94080, United States