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