Methyl 2-bromo-6-(difluoromethyl)-3-fluoropyridine-5-carboxylate
3-Bromo-6-cyano-2-(difluoromethyl)pyridine-5-acetic acid
Methyl 6-bromo-3-(difluoromethyl)-4-fluoropyridine-2-carboxylate
5-Bromo-2-cyano-3-(difluoromethyl)pyridine-4-acetic acid
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