MERCK SHARP and DOHME CORP.; LIN, Linus; SOLL, Richard; DONG, Jingchao; WU, Hao; SUZUKI, Takao; HU, Bin; LIU, Dejun; HAO, Jinglai; XU, Ming Patent: WO2011/127643 A1, 2011 ; WO 2011/127643 A1