2-Fluoro-3-(trifluoromethyl)aniline is a buliding block for various inhibitors such as 5,6,7-Trimethoxy-N-phenyl(ethyl)-4-aminoquinazoline derivatives that have anticancer activities and N-[3-(Phenylcarbamoyl)aryl]pyrimidine-5-carboxamide that are lymphocyte-specific kinase inhibitors.