Ethyl 5-fluoro-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-acetate
Ethyl 4-fluoro-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-6-acetate
6-Cyano-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylic acid
2-Cyano-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-5-carboxylic acid