Ethyl 3,6-difluoro-2-(difluoromethyl)pyridine-5-acetate
Methyl 4-(difluoromethyl)-2,3-dimethoxypyridine-6-carboxylate
Ethyl 2,5-difluoro-4-(difluoromethyl)pyridine-3-acetate
2-(Difluoromethyl)-3,5-dimethoxypyridine-6-carboxylic acid
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