4-Hydroxy-6-methoxy-3-nitro-2-(trifluoromethoxy)pyridine
3-(Chloromethyl)-5-(difluoromethyl)-2-fluoro-6-(trifluoromethoxy)pyridine
5-(Bromomethyl)-2-fluoro-3-(trifluoromethoxy)pyridine-6-carboxylic acid
4-(Bromomethyl)-3-fluoro-6-(trifluoromethoxy)pyridine-2-carboxylic acid