4-(Difluoromethyl)-6-hydroxy-3-nitropyridine-2-acetonitrile
4-(Difluoromethyl)-3-fluoro-5-(trifluoromethyl)pyridine-2-methanol
3-Bromo-6-chloro-4-(difluoromethyl)-2-fluoropyridine
3-(Difluoromethyl)-2-methoxy-5-nitropyridine-4-sulfonamide
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