Ethyl 2-(difluoromethyl)-3,5-dimethoxypyridine-6-carboxylate
Ethyl 2-amino-3-bromo-6-(difluoromethyl)pyridine-4-carboxylate
Ethyl 6-(difluoromethyl)-3,4-dimethoxypyridine-2-carboxylate
2-(Difluoromethyl)-4,6-dimethoxypyridine-3-acetonitrile
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