1 K9A 5-{4-[3-(2-methylpyrimidin-5-yl)phenyl]piperazin-1-yl}pyrimidine-2,4-diamine 1.000 2 BOD 5-{4-[3-(2-methoxypyrimidin-5-yl)phenyl]piperazin-1-yl}pyrimidine-2,4-diamine 0.897