Ethyl 3-hydroxy-2-methyl-5-(trifluoromethoxy)pyridine-4-acetate
3-(Difluoromethyl)-5-fluoro-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
Ethyl 6-hydroxy-2-methyl-3-(trifluoromethoxy)pyridine-4-acetate
Ethyl 2-hydroxy-6-methyl-4-(trifluoromethoxy)pyridine-3-acetate