VITAE PHARMACEUTICALS, INC.; DONG, Chengguo; FAN, Yi; LEFTHERIS, Katerina; LOTESTA, Stephen; SINGH, Suresh, B.; TICE, Colin; ZHAO, Wei; ZHENG, Yajun; ZHUANG, Linghang Patent: WO2013/138568 A1, 2013 ; Location in patent: Page/Page column 56; 57 ;