DONG-A PHARM.CO.,LTD.; MOON, Ho-Sang; YANG, Jae-Sung; KIM, Mi-Kyung; KIM, Jin-Kwan; LEE, Jae-Young; KANG, So-Mi; KIM, Ha-Dong; SHIN, Chang-Yell; CHEONG, Ye-Hwang; YANG, Eun-Kyoung; CHOI, Song-Hyen; PARK, Young-Soo; KIM, Eun-Jung; CHAE, Yu-Na; CHO, Eun-Jung; SON, Moon-Ho; KIM, Soon-Hoe
Patent: WO2011/122815 A2, 2011 ;
Location in patent: Page/Page column 18 ;
WO 2011/122815 A2

Takeda Chemical Industries, Ltd.
Patent: US4146710 A1, 1979 ;