Ethyl 4-(fluoromethyl)-2-methyl-5-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 5-(fluoromethyl)-3-methyl-2-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 3-(fluoromethyl)-5-methyl-4-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 5-(fluoromethyl)-4-methyl-2-(trifluoromethoxy)pyridine-3-carboxylate