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