4-Amino-6-cyano-2-(difluoromethyl)pyridine-3-carboxaldehyde
2-Bromo-4-iodo-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
6-Amino-2-chloro-4-(trifluoromethoxy)pyridine-3-sulfonamide
5-Bromo-4-(chloromethyl)-3-(trifluoromethoxy)pyridine-2-acetonitrile
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