1 56G N-[3-({4-(4-methylpiperazin-1-yl)-6-[(5-methyl-1h-pyrazol-3-yl)amino]pyrimidin-2-yl}oxy)phenyl]prop-2-enamide 1.000 2 563 N-[4-({4-(4-methylpiperazin-1-yl)-6-[(5-methyl-1h-pyrazol-3-yl)amino]pyrimidin-2-yl}oxy)phenyl]prop-2-enamide 0.730