Ethyl 3-(fluoromethyl)-2-methyl-6-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 2-fluoro-6-(trifluoromethoxy)pyridine-3-carboxylate
4-(Chloromethyl)-3-methyl-6-(trifluoromethoxy)pyridine-2-carboxylic acid
Ethyl 2-(fluoromethyl)-6-methyl-4-(trifluoromethoxy)pyridine-3-carboxylate