Ethyl 3-(bromomethyl)-6-(difluoromethyl)pyridine-2-carboxylate
3-Cyano-5-(difluoromethyl)-4-(fluoromethyl)pyridine
2-(Difluoromethyl)-3-nitro-4-(trifluoromethyl)pyridine
3-Cyano-4-(difluoromethyl)-5-(fluoromethyl)pyridine
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