Ethyl 5-(difluoromethyl)-3-fluoro-2-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 5-(difluoromethyl)-2-fluoro-4-(trifluoromethoxy)pyridine-3-acetate
Methyl 6-(difluoromethyl)-2-fluoro-3-(trifluoromethoxy)pyridine-4-acetate
Ethyl 3-(aminomethyl)-2-hydroxy-5-(trifluoromethoxy)pyridine-6-carboxylate