参考文献

TAISHO PHARMACEUTICAL CO., LTD; Moriya, Minoru; Ohta, Hiroshi; Yamamoto, Shuji; Abe, Kumi; Araki, Yuko; Sun, Xiang-Min; Wakasugi, Daisuke Patent: US2013/331571 A1, 2013 ; Location in patent: Paragraph 0179; 0180 ;