BEIJING HANMI PHARMACEUTICAL CO., LTD.; MA, Long; ZHANG, Bo; LI, Min; XUE, Baoyu; ZHANG, Bi; ZHANG, Wei; QIU, Hongjuan; MOON, Sunghwan; KIM, Maengsup Patent: WO2012/171488 A1, 2012 ; Location in patent: Page/Page column 22-23 ;