CHEMOCENTRYX, INC.; CHEN, Xi; FAN, Pinchen; GLEASON, Mark, M.; JAEN, Juan, C.; LI, Lianfa; MCMAHON, Jeffrey, P.; POWERS, Jay; ZENG, Yibin; ZHANG, Penglie Patent: WO2010/54006 A1, 2010 ; Location in patent: Page/Page column 76-77 ; WO 2010/054006 A1