6-Fluoro-4-nitro-2-(trifluoromethoxy)pyridine-3-carboxylic acid
Ethyl 3-fluoro-2-iodo-4-(trifluoromethoxy)pyridine-5-carboxylate
2-Fluoro-3-iodo-6-(trifluoromethoxy)pyridine-5-sulfonyl chloride
3-Hydroxy-2-methoxy-6-(trifluoromethoxy)pyridine-4-sulfonamide