Ethyl 2-(chloromethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 2-(chloromethyl)-4-hydroxy-6-(trifluoromethoxy)pyridine-3-carboxylate
2-Fluoro-4-methyl-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
Ethyl 3-(difluoromethyl)-2-fluoro-4-(trifluoromethoxy)pyridine-5-carboxylate