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