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