1 KSE 7-[(2-amino-2-methylpropyl)amino]-2-[(3,5-dimethoxyphenyl)amino]-5-methylpyrazolo[1,5-a]pyrimidine-3-carboxamide 1.000 2 KSK 7-[(2-amino-2-methylpropyl)amino]-5-cyclopropyl-2-[(3,5-dimethoxyphenyl)amino]pyrazolo[1,5-a]pyrimidine-3-carboxamide 0.879