Ethyl 5-(difluoromethyl)-2,3-dimethoxypyridine-4-carboxylate
3-Amino-2-bromo-6-(difluoromethyl)-5-fluoropyridine
Methyl 2-(difluoromethyl)-4,5-dimethoxypyridine-3-carboxylate
3-Amino-2-bromo-5-(difluoromethyl)-4-fluoropyridine
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