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