2-(Difluoromethyl)-3-iodo-5-nitropyridine-4-sulfonamide
2-(Bromomethyl)-4-cyano-6-(trifluoromethoxy)pyridine-3-carboxylic acid
6-Bromo-3-chloro-4-hydroxy-2-(trifluoromethoxy)pyridine
3-Cyano-5-(trifluoromethoxy)pyridine-4-sulfonyl chloride
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