BOEHRINGER INGELHEIM INTERNATIONAL GMBH; HOFFMANN, Matthias; BISCHOFF, Daniel; DAHMANN, Georg; KLICIC, Jasna; SCHAENZLE, Gerhard; WOLLIN, Stefan Ludwig Michael; CONVERS-REIGNIER, Serge Gaston; EAST, Stephen Peter; MARLIN, Frederic Jacques; MCCARTHY, Clive; SCOTT, John Patent: WO2013/14060 A1, 2013 ; WO 2013/014060 A1