BRISTOL-MYERS SQUIBB COMPANY; ROBL, Jeffrey A.; LI, Jun; KENNEDY, Lawrence J.; WALKER, Steven J.; WANG, Haixia; WASHBURN, William N.; AHMAD, Saleem; NGU, Khehyong Patent: WO2012/149236 A1, 2012 ; Location in patent: Page/Page column 102 ; WO 2012/149236 A1