Ethyl 5-chloro-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-acetate
4-Chloro-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylic acid
Ethyl 4-chloro-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-acetate
4-Chloro-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxylic acid