1 PDY N~7~-(4-ethoxyphenyl)-6-methyl-N~5~-[(3s)-piperidin-3-yl]pyrazolo[1,5-a]pyrimidine-5,7-diamine 1.000 2 P19 N,N'-diphenylpyrazolo[1,5-a][1,3,5]triazine-2,4-diamine 0.724