Ethyl 6-amino-2-cyano-3-(difluoromethyl)pyridine-4-carboxylate
4-Bromomethyl-3-iodo-2-(trifluoromethyl)pyridine
4-(Difluoromethyl)-2-nitro-6-(trifluoromethoxy)pyridine-3-sulfonamide
6-Amino-2-(difluoromethyl)-4-fluoro-3-methylpyridine
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