CHONG KUN DANG PHARMACEUTICAL CORP.; LEE, ChangSik; JANG, TaegSu; CHOI, DaeKyu; KO, MoonSung; KIM, DoHoon; KIM, SoYoung; MIN, JaeKi; KIM, WooSik; LIM, YoungTae Patent: WO2013/187646 A1, 2013 ;