参考文献:
NOVARTIS INTERNATIONAL PHARMACEUTICAL LTD. BURNS, Christopher, J. GOSWAMI, Rajesh JACKSON, Randy, W. LESSEN, Thomas LI, Weiping PEVEAR, Daniel TIRUNAHARI, Pavan, Kumar XU, Hongyu Patent: WO00/30708 A, 00 Location in patent: Page/Page column 07 WO 00/30708 A