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