BRISTOL-MYERS SQUIBB COMPANY; BELEMA, Makonen; SRINIVASU, Pothukanuri; BENDER, John A.; LOPEZ, Omar D.; CHEN, Qi; RAMPULLA, Richard A.; GUPTA, Samayamunthula Venkata Satya Arun Kumar; MEANWELL, Nicholas A. Patent: WO2012/21591 A1, 2012 ; Location in patent: Page/Page column 114-115 ; WO 2012/021591 A1