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