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