A class of heterocyclic compounds with a fused pyrazole and pyrimidine ring system.
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2-methyl-4-(5-phenyl-pyrazolo[1,5-a]pyrimidin-7-yl)-benzene-1,3-diol
3-(3-fluoro-phenylsulfonyl)-5,7-dimethyl-2-methylthio-pyrazolo[1,5-a]pyrimidine
