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In the title compound, C15H12F3N3, the pyrazolo[1,5-a]pyrimidine system ring is essentially planar with a maximum deviation from the mean plane of 0.014&#8197;(1)&#8197;&#197;. The 4-tolyl group makes a dihedral angle of 14.1&#8197;(1)&#176; with the pyrazolo[1,5-a]pyrimidine ring system. The crystal packing is stabilized mainly by van der Waals forces

2-Methyl-5-(4-tolyl)-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine