Methyl 2-chloro-5-nitro-3-(trifluoromethoxy)pyridine-6-carboxylate
2-Chloro-5-fluoro-6-(trifluoromethoxy)pyridine-3-carboxylic acid
2-Chloro-5-fluoro-4-(trifluoromethoxy)pyridine-3-carboxylic acid
6-Chloro-4-fluoro-2-(trifluoromethoxy)pyridine-3-carboxylic acid