参考文献

BOEHRINGER INGELHEIM INTERNATIONAL GMBH; DAHMANN, Georg; FIEGEN, Dennis; FLECK, Martin; HOFFMANN, Matthias; KLICIC, Jasna; EAST, Stephen, Peter; NAPIER, Spencer, Charles, R.; SCOTT, John Patent: WO2012/101013 A1, 2012 ; WO 2012/101013 A1