2-(Difluoromethyl)-6-fluoro-5-(trifluoromethoxy)pyridine-3-carboxylic acid
Ethyl 4-cyano-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 2-cyano-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-acetate
2-(Difluoromethyl)-6-fluoro-3-(trifluoromethoxy)pyridine-5-carboxylic acid