DAEWOONG PHARMACEUTICAL CO., LTD.; KIM, In Woo; KIM, Ji Duck; YOON, Hong Chul; YOON, Hee Kyoon; LEE, Byung Goo; LEE, Joon Hwan; LIM, Young Mook; CHOI, Soo Jin Patent: WO2012/44043 A2, 2012 ; Location in patent: Page/Page column 16 ; WO 2012/044043 A2