参考文献

BOEHRINGER INGELHEIM INTERNATIONAL GMBH; EBEL, Heiner; FRATTINI, Sara; GIOVANNINI, Riccardo; HOENKE, Christoph; SCHEUERER, Stefan Patent: WO2011/147772 A1, 2011 ; Location in patent: Page/Page column 86 ; WO 2011/147772 A1