2-Nitro-6-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-carboxylic acid
2-(Chloromethyl)-6-methyl-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
2-Nitro-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-4-carboxylic acid
3-(Bromomethyl)-5-methyl-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine