3-Amino-5-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-acetonitrile
2-Amino-3-nitro-5-(trifluoromethoxy)pyridine-4-acetonitrile
2-Amino-3-fluoro-6-(trifluoromethoxy)pyridine-5-sulfonamide
4-Amino-3-hydroxy-6-(trifluoromethoxy)pyridine-2-acetic acid