ACTELION PHARMACEUTICALS LTD; AISSAOUI, Hamed; BOSS, Christoph; BROTSCHI, Christine; KOBERSTEIN, Ralf; SIEGRIST, Romain; SIFFERLEN, Thierry; TRACHSEL, Daniel; WILLIAMS, Jodi T. Patent: WO2010/44054 A1, 2010 ; Location in patent: Page/Page column 108-109 ; WO 2010/044054 A1