4-Methoxy-6-nitro-3-(trifluoromethoxy)pyridine-2-acetonitrile
2-(Difluoromethyl)-3-iodo-6-(trifluoromethoxy)pyridine-4-carboxaldehyde
3-(Difluoromethyl)-5-iodo-6-(trifluoromethoxy)pyridine-2-carboxylic acid
3-(Difluoromethyl)-2-iodo-4-(trifluoromethoxy)pyridine-6-carboxylic acid