Methyl 6-amino-4-bromo-3-(difluoromethyl)pyridine-2-carboxylate
5-(Difluoromethyl)-3,4-dimethoxypyridine-2-carbonyl chloride
Methyl 2-amino-4-bromo-3-(difluoromethyl)pyridine-5-carboxylate
3-(Difluoromethyl)-2,5-dimethoxypyridine-4-carbonyl chloride
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