参考文献:
TOYAMA CHEMICAL CO., LTD. Taisho Pharmaceutical Co. Ltd. Patent: EP793 A, 9 Location in patent: Page/Page column 67 Title/Abstract Full Text Show Details Taisho Pharmaceutical Co. Ltd. TOYAMA CHEMICAL CO., LTD. Patent: EP793 A, 9 Location in patent: Page/Page column 67 EP 793 A