Methyl 3-(fluoromethyl)-2-methoxy-5-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 6-(fluoromethyl)-2-methoxy-3-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 5-(difluoromethyl)-2-methoxy-3-(trifluoromethoxy)pyridine-6-acetate
Methyl 2-(fluoromethyl)-6-methoxy-4-(trifluoromethoxy)pyridine-3-carboxylate