3-(4-Methyl-1H-imidazol-1-yl)-5-(trifluoromethyl)benzoic Acid acts as a synthetic reagent used in the preparation and in antitumor activity of pyrrolo[2,3-d]pyrimidine derivatives against A375 human melanoma cells. Molecular Formula: C12H9F3N2O2 Molecular Weight: 270.20999999999998