Ethyl 2-chloro-3-(difluoromethyl)-4-iodopyridine-6-acetate
Methyl 6-chloro-4-(difluoromethyl)-3-methylpyridine-2-carboxylate
Methyl 4-chloro-3-(difluoromethyl)-6-iodopyridine-2-acetate
6-Chloro-4-cyano-2-(difluoromethyl)-3-nitropyridine
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