BRISTOL-MYERS SQUIBB COMPANY; WROBLESKI, Stephen T.; DAS, Jagabandhu; DUAN, Jingwu; GUO, Junqing; HYNES, John; JIANG, Bin; KEMPSON, James; LIN, Shuqun; LU, Zhonghui; PITTS, William J.; SPERGEL, Steven H.; WU, Hong; YANG, Bingwei Vera Patent: WO2012/125893 A1, 2012 ; Location in patent: Page/Page column 138 ; WO 2012/125893 A1