MERCK SHARP and DOHME CORP.; BRUBAKER, Jason; DINSMORE, Christopher J.; HOFFMAN, Dawn Marie; JUNG, Joon; LIU, Duan; PETERSON, Scott; SIU, Tony; TORRES, Luis E.; ZHANG, Hongjun; WEI, Zhongyong; SHI, Feng Patent: WO2013/40863 A1, 2013 ; Location in patent: Page/Page column 89-90 ; WO 2013/040863 A1