Methyl 3-fluoro-2-methoxy-4-(trifluoromethoxy)pyridine-6-acetate
Methyl 2-fluoro-5-methoxy-6-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 2-hydroxy-3-methyl-4-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 2-fluoro-5-methoxy-4-(trifluoromethoxy)pyridine-3-carboxylate