2-Iodo-5-(trifluoromethyl)isonicotinaldehyde
5-Bromo-2-(difluoromethyl)-3-fluoropyridine-6-acetonitrile
2-Cyano-4-fluoro-5-(trifluoromethoxy)pyridine-3-carboxaldehyde
4-(2,4-Difluorobenzoyl)pyridine
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