3-(Difluoromethyl)-4-nitropyridine-2-acetonitrile
4-Bromo-6-cyano-3-(difluoromethyl)pyridine-2-acetonitrile
Methyl 3-chloro-2-hydroxy-4-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 4-(difluoromethyl)-3-iodo-2-methylpyridine-5-acetate
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