参考文献:
ARRAY BIOPHARMA INC. ALLEN, Shelley DELISLE, Robert Kirk GRESCHUK, Julie Marie HICKEN, Erik James LYSSIKATOS, Joseph P. MARMSATER, Fredrik P. MUNSON, Mark C. ROBINSON, John E. ZHAO, Qian Patent: WO1/81 A1, 1 Location in patent: Page/Page column 3 WO 1/81 A1