5-Chloro-3-methoxy-4-(trifluoromethoxy)pyridine-2-carboxylic acid
5-(Bromomethyl)-3-cyano-4-methoxy-2-(trifluoromethoxy)pyridine
3-(Bromomethyl)-2-cyano-5-methoxy-6-(trifluoromethoxy)pyridine
3-(Bromomethyl)-2-cyano-4-methoxy-5-(trifluoromethoxy)pyridine