Methyl 3-(bromomethyl)-2-methoxy-6-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 2-(bromomethyl)-3-methoxy-4-(trifluoromethoxy)pyridine-6-carboxylate
2-(Chloromethyl)-6-methoxy-5-(trifluoromethoxy)pyridine-3-carboxylic acid
6-(Chloromethyl)-3-methoxy-2-(trifluoromethoxy)pyridine-4-carboxylic acid