1 YPH 1-(4-{2-[(6-{4-[2-(4-hydroxypiperidin-1-yl)ethoxy]phenyl}furo[2,3-D]pyrimidin-4-yl)amino]ethyl}phenyl)-3-phenylurea 1.000 2 WPH 1-(4-{2-[(6-{4-[2-(dimethylamino)ethoxy]phenyl}furo[2,3-D]pyrimidin-4-yl)amino]ethyl}phenyl)-3-phenylurea 0.787