4-Amino-6-fluoro-2-(trifluoromethoxy)pyridine-3-acetonitrile
3-Amino-4-(difluoromethyl)-2-methyl-6-(trifluoromethoxy)pyridine
6-Amino-4-fluoro-2-(trifluoromethoxy)pyridine-3-carboxylic acid
3-Amino-2-(difluoromethyl)-6-methyl-4-(trifluoromethoxy)pyridine