Methyl 6-bromo-4-chloro-2-(difluoromethyl)pyridine-3-carboxylate
Methyl 4-bromo-3-chloro-2-(difluoromethyl)pyridine-5-carboxylate
Methyl 2-bromo-4-chloro-5-(difluoromethyl)pyridine-3-carboxylate
2-Bromo-3-chloro-6-(difluoromethyl)-4-fluoropyridine
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