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