1. Physical Chemistry, Laboratory for Medicinal Chemistry Research, Shionogi & Co., Ltd., Osaka 561-0825, Japan
2. Chemical Modality 2, Laboratory for Advanced Medicine Research, Shionogi & Co., Ltd., Osaka 561-0825, Japan
3. Department of Formulation Design and Pharmaceutical Technology, Faculty of Pharmacy, Osaka Medical and Pharmaceutical University, Osaka 569-1094, Japan