参考文献:
BRISTOL-MYERS SQUIBB COMPANY BOY, Kenneth M. GUERNON, Jason M. MACOR, John E. OLSON, Richard E. SHI, Jianliang THOMPSON, III, Lorin A. WU, Yong-Jin XU, Li ZHANG, Yunhui ZUEV, Dmitry S. Patent: WO0/535 A, 0 Location in patent: Page/Page column -5 WO 0/0535 A