5-Amino-4-fluoro-3-(trifluoromethoxy)pyridine-2-acetonitrile
4-Amino-2-(difluoromethyl)-3-fluoro-5-(trifluoromethoxy)pyridine
3-Amino-2-fluoro-5-(trifluoromethoxy)pyridine-6-acetonitrile
3-Amino-2-(difluoromethyl)-4-fluoro-5-(trifluoromethoxy)pyridine