2-(Bromomethyl)-6-iodo-3-(trifluoromethoxy)pyridine-5-carboxylic acid
2-(Fluoromethyl)-3-methoxy-4-methyl-5-(trifluoromethoxy)pyridine
6-(Bromomethyl)-3-iodo-2-(trifluoromethoxy)pyridine-4-carboxylic acid
2-(Bromomethyl)-5-iodo-3-(trifluoromethoxy)pyridine-6-carboxylic acid