参考文献

BOEHRINGER INGELHEIM INTERNATIONAL GMBH; CHEN, Zhidong; HAO, Ming-Hong; LIU, Weimin; LO, Ho-Yin; LOKE, Pui Leng; MAN, Chuk, Chui; MORWICK, Tina, Marie; NEMOTO, Peter, Allen; TAKAHASHI, Hidenori; TYE, Heather; WU, Lifen Patent: WO2011/68821 A1, 2011 ; Location in patent: Page/Page column 88-89 ; WO 2011/068821 A1