Ethyl 2-methoxy-6-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-acetate
3-Chloro-6-nitro-2-(trifluoromethoxy)pyridine-4-acetic acid
6-Fluoro-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-acetonitrile
3-(Difluoromethyl)-4-nitropyridine-5-carboxylic acid