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