参考文献

ENANTA PHARMACEUTICALS, INC.; QIU, Yao-Ling; PENG, Xiaowen; KIM, In, Jong; CAO, Hui; TANG, Datong; OR, Yat, Sun; WANG, Guoqiang; XU, Guoyou Patent: WO2012/158861 A2, 2012 ; Location in patent: Page/Page column 20 ;