参考文献

MEIJI SEIKA PHARMA CO., LTD.; KAGABU, Shinzo; MITOMI, Masaaki; KITSUDA, Shigeki; HORIKOSHI, Ryo; NOMURA, Masahiro; ONOZAKI, Yasumichi Patent: US2013/150414 A1, 2013 ; Location in patent: Paragraph 0437 ;