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