1. Lead Discovery & Optimization Research Laboratories I, ‡Lead Discovery & Optimization Research Laboratories II, §Cardiovascular-Metabolics Research Laboratories, ∥Biological Research Laboratories, ⊥Drug Metabolism & Pharmacokinetics Research Laboratories, and #Medicinal Safety Research Laboratories, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan