4-Cyano-5-hydroxy-3-methoxy-2-(trifluoromethoxy)pyridine
4-(Chloromethyl)-2-hydroxy-3-iodo-5-(trifluoromethoxy)pyridine
4-Amino-3-(bromomethyl)-2-(difluoromethyl)pyridine-6-acetonitrile
Ethyl 2-amino-3-(difluoromethyl)-6-iodopyridine-4-acetate
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