1. Medicinal Chemistry Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
2. Discovery Technologies Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
3. Drug Metabolism and Pharmacokinetics Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
4. Pharmacology Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan