ZHEJIANG BETA PHARMA INC.; KANG, Xinshan; FINE, Richard M.; KLEBANSKY, Borris; LONG, Wei; MA, Cunbo; LI, Haijun; WANG, Yanping; HU, Yunyan; WANG, Yinxiang Patent: WO2011/38579 A1, 2011 ; Location in patent: Page/Page column 36 ; WO 2011/038579 A1