Author information:
(1)Medicinal Chemistry Research Laboratories II, Mitsubishi Tanabe Pharma 
Corporation, 2-2-50 Kawagishi, Toda, Saitama 335-8505, Japan.
(2)Pharmacology Research Laboratories II, Mitsubishi Tanabe Pharma Corporation, 
2-2-50 Kawagishi, Toda, Saitama 335-8505, Japan.
(3)Advanced Medical Research Laboratories, Mitsubishi Tanabe Pharma Corporation, 
2-2-50 Kawagishi, Toda, Saitama 335-8505, Japan.
(4)Advanced Medical Research Laboratories, Mitsubishi Tanabe Pharma Corporation, 
2-2-50 Kawagishi, Toda, Saitama 335-8505, Japan; Industry and Academia 
Cooperation Research Project, Laboratory of Target and Drug Discovery, Graduate 
School of Pharmaceutical Sciences, Nagoya University, Furo-cho, Chikusa-ku, 
Nagoya 464-8601, Japan.
(5)Medicinal Chemistry Research Laboratories II, Mitsubishi Tanabe Pharma 
Corporation, 2-2-50 Kawagishi, Toda, Saitama 335-8505, Japan. Electronic 
address: morimoto.hiroshi@md.mt-pharma.co.jp.