参考文献

TOYAMA CHEMICAL CO., LTD.; Taisho Pharmaceutical Co. Ltd. Patent: EP2022793 A1, 2009 ; Location in patent: Page/Page column 32 ; Title/Abstract Full Text Show Details Taisho Pharmaceutical Co. Ltd.; TOYAMA CHEMICAL CO., LTD. Patent: EP2022793 A1, 2009 ; Location in patent: Page/Page column 32 ; EP 2022793 A1