Ethyl 4-(difluoromethyl)-2,3-dimethoxypyridine-6-carboxylate
5-(Bromomethyl)-6-(difluoromethyl)-2,3-dimethoxypyridine
Methyl 6-(difluoromethyl)-3,4-dimethoxypyridine-2-carboxylate
4-(Bromomethyl)-5-(difluoromethyl)-2,3-dimethoxypyridine
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