2-Cyano-4-(difluoromethyl)pyridine-5-sulfonamide
6-(Bromomethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxamide
3-Fluoro-4-iodo-2-(methylthio)pyridine
Ethyl 5-(chloromethyl)-4-(difluoromethyl)-3-methoxypyridine-2-carboxylate
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