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