2-(Difluoromethyl)-6-iodo-3-(trifluoromethoxy)pyridine-5-carboxylic acid
2-Iodo-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-acetic acid
3-(Difluoromethyl)-5-iodo-2-(trifluoromethoxy)pyridine-6-acetonitrile
6-(Difluoromethyl)-3-iodo-2-(trifluoromethoxy)pyridine-4-carboxylic acid