4-Bromo-2-(difluoromethyl)-3-iodopyridine-6-sulfonamide
3-Amino-4-mercapto-2-(trifluoromethyl)pyridine
6-Hydroxy-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-Chloro-6-(difluoromethyl)-4-hydroxy-2-methoxypyridine
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