参考文献

Taisho Pharmaceutical Co., Ltd.; Toyama Chemical Co., Ltd.; TAKASHIMA, Hajime; TSURUTA, Risa; YABUUCHI, Tetsuya; OKA, Yusuke; URABE, Hiroki; SUGA, Yoichiro; TAKAHASHI, Masato; UNEUCHI, Fumito; KOTSUBO, Hironori; SHOJI, Muneo; KAWAGUCHI, Yasuko Patent: EP2562155 A1, 2013 ; Location in patent: Paragraph 0179-0180 ;