参考文献:
TAKEDA PHARMACEUTICAL COMPANY LIMITED BRESSI, Jerome, C. CHU, Shaosong ERICKSON, Philip KOMANDLA, Mallareddy KWOK, Lily LAWSON, John, D. STAFFORD, Jeffrey, A. WALLACE, Michael, B. ZHANG, Zhiyuan DAS, Sanjib Patent: WO00/9899 A, 00 Location in patent: Page/Page column 6-7