Ethyl 2,5-dibromo-3-(difluoromethyl)pyridine-6-carboxylate
3,6-Dibromo-4-(difluoromethyl)-2-nitropyridine
Ethyl 2,4-dibromo-3-(difluoromethyl)pyridine-6-carboxylate
2,6-Dibromo-3-(difluoromethyl)-4-methylpyridine
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