1. Process Chemistry Research and Development Laboratories, Sumitomo Dainippon Pharma Co., Ltd., 1-98 Kasugade-naka 3-chome, Konohana-ku, Osaka 554-0022, Japan
2. Chemistry Research Unit Drug Research Division, Sumitomo Dainippon Pharma Co., Ltd., 1-98 Kasugade-naka 3-chome, Konohana-ku, Osaka 554-0022, Japan
3. Formulation Research and Development Laboratories, Sumitomo Dainippon Pharma Co., Ltd., 13-1, Kyobashi 1-chome, Chuo-ku, Tokyo 104-8356, Japan
4. Technology Research and Development Division, Sumitomo Dainippon Pharma Co., Ltd., 33-94, Enoki-cho, Suita, Osaka 564-0053, Japan