N-Phenyl-4-pyrazolo[1,5-b]pyridazin-3-ylpyrimidin-2-amines as potent and selective inhibitors of glycogen synthase kinase 3 with good cellular efficacy.
Tavares FX, Boucheron JA, Dickerson SH, Griffin RJ, Preugschat F, Thomson SA, Wang TY, Zhou HQ. N-Phenyl-4-pyrazolo[1,5-b]pyridazin-3-ylpyrimidin-2-amines as potent and selective inhibitors of glycogen synthase kinase 3 with good cellular efficacy. J Med Chem. 2004 Sep 09; 47(19):4716-30.