Methyl 2-bromo-4-(chloromethyl)-3-(difluoromethyl)pyridine-5-carboxylate
Methyl 2-bromo-3-(chloromethyl)-6-(difluoromethyl)pyridine-4-carboxylate
6-Bromo-2-(difluoromethyl)-4-methyl-3-nitropyridine
2-Bromo-5-(difluoromethyl)-6-methyl-3-nitropyridine
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