Methyl 3-(difluoromethyl)-2-fluoro-4-(trifluoromethyl)pyridine-6-carboxylate
4-(Difluoromethyl)-6-fluoro-2-(trifluoromethyl)pyridine-3-acetic acid
Ethyl 3-(difluoromethyl)-5-fluoro-6-(trifluoromethyl)pyridine-2-carboxylate
Ethyl 5-(difluoromethyl)-3-fluoro-2-(trifluoromethyl)pyridine-4-acetate