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