参考文献

Shionogi and Co., Ltd.; HISAKAWA, Shinya; HASEGAWA, Yasushi; AOKI, Toshiaki; KUSANO, Hiroki; SANO, Masayuki; SATO, Jun; YAMAWAKI, Kenji Patent: EP2557082 A1, 2013 ; Location in patent: Paragraph 0182; 0183 ;