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