2-(Bromomethyl)-4-cyano-3-(difluoromethyl)-6-fluoropyridine
4-(Aminomethyl)-2-cyano-6-(difluoromethyl)-3-fluoropyridine
Methyl 3-chloro-6-(difluoromethyl)-2-nitropyridine-5-acetate
3-Cyano-6-(difluoromethyl)-4-iodo-2-methylpyridine
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