MERCK PATENT GMBH; HUCK, Bayard R.; CHEN, Xiaoling; XIAO, Yufang; LAN, Ruoxi; DE SELM, Lizbeth Celeste; NEAGU, Constantin; POTNICK, Justin; KARRA, Srinivasa, R.; JOHNSON, Theresa, L. Patent: WO2013/96194 A1, 2013 ; Location in patent: Page/Page column 28-29 ;