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The asymmetric unit of the title compound, C15H18N2O2, contains two independent molecules with essentially identical geometries and conformations. The dihedral angles between the benzene and pyrimidine rings in the two molecules are 89.96 (11) and 73.91 (11)°. The six methyl groups are disordered over two sets of sites, with site occupancies of 0.545 (4):0.455 (4) and 0.542 (7):0.458 (7) in the two molecules. The crystal structure is stabilized by N—H...O hydrogen bonds.