2-Iodo-5-nitro-3-(trifluoromethoxy)pyridine-4-carboxylic acid
3-(Chloromethyl)-2-hydroxy-6-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
6-Iodo-4-nitro-3-(trifluoromethoxy)pyridine-2-carboxylic acid
3-(Chloromethyl)-2-hydroxy-4-(trifluoromethoxy)-6-(trifluoromethyl)pyridine