Ethyl 2-amino-3-(fluoromethyl)-4-(trifluoromethoxy)pyridine-5-carboxylate
4-(Chloromethyl)-3-cyano-5-(difluoromethyl)pyridine
3-Bromo-6-cyano-2-(trifluoromethoxy)pyridine-5-acetonitrile
4-Chloro-2-(difluoromethyl)pyridine-6-acetonitrile
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