参考文献:
BOEHRINGER INGELHEIM INTERNATIONAL GMBH KOWALSKI, Jennifer A. MARSHALL, Daniel Richard PROKOPOWICZ, Anthony S. III SCHLYER, Sabine SIBLEY, Robert SORCEK, Ronald John WU, Di WU, Frank YOUNG, Erick Richard Roush Patent: WO010/16811 A1, 010 Location in patent: Page/Page column 11-1 WO 010/16811 A1