5-(Bromomethyl)-2-iodo-3-(trifluoromethoxy)pyridine-4-carboxylic acid
3-(Bromomethyl)-2-iodo-6-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
6-Methoxy-4-methyl-2-(trifluoromethoxy)pyridine-3-carboxylic acid
4-(Bromomethyl)-5-iodo-3-(trifluoromethoxy)pyridine-2-carboxylic acid