3-(Chloromethyl)-2-fluoro-4-nitro-6-(trifluoromethoxy)pyridine
5-(Difluoromethyl)-3-iodopyridine-2-acetonitrile
5-(Difluoromethyl)-2-fluoro-3-methylpyridine-4-sulfonamide
4-(Difluoromethyl)-2-methyl-3-nitropyridine-5-acetonitrile
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