BRISTOL-MYERS SQUIBB COMPANY; SUN, Chongqing; EWING, William R.; BOLTON, Scott A.; GU, Zhengxiang; HUANG, Yanting; MURUGESAN, Natesan; ZHU, Yeheng Patent: WO2012/125622 A1, 2012 ; Location in patent: Page/Page column 135-136 ; WO 2012/125622 A1