BOEHRINGER INGELHEIM INTERNATIONAL GMBH; BURKE, Michael Jason; COGAN, Derek; GAO, Donghong A.; HEIM-RIETHER, Alexander; HICKEY, Eugene Richard; NETHERTON, Matthew Russell; RAMSDEN, Philip Dean; THOMPSON, David Charles; XIONG, Zhaoming Patent: WO2011/109470 A1, 2011 ; Location in patent: Page/Page column 46 ; WO 2011/109470 A1