参考文献

EISAI RandD MANAGEMENT CO., LTD.; Norimine, Yoshihiko; Takeda, Kunitoshi; Hagiwara, Koji; Suzuki, Yuichi; Ishihara, Yuki; Sato, Nobuaki Patent: US2013/143907 A1, 2013 ; Location in patent: Paragraph 0479; 0480 ;