3-Methoxy-4-nitro-2-(trifluoromethoxy)pyridine-5-sulfonamide
2-(Difluoromethyl)-4-methoxy-3-(trifluoromethyl)pyridine-6-acetonitrile
2-Cyano-3-iodo-4-(trifluoromethoxy)pyridine-5-sulfonyl chloride
4-Bromo-2-chloro-6-(difluoromethyl)-3-iodopyridine
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