参考文献:
ASTRAZENECA AB ASTRAZENECA UK LIMITED BUTTERWORTH, Sam FINLAY, Maurice, Raymond, Verschoyle WARD, Richard, Andrew KADAMBAR, Vasantha, Krishna CHANDRASHEKAR, Reddy, C. MURUGAN, Andiappan REDFEARN, Heather, Marie Patent: WO23/8 A, 23 Location in patent: Page/Page column 3 WO 23/8 A