Methyl 2,5-difluoro-4-(difluoromethyl)pyridine-3-acetate
2-(Difluoromethyl)-3,5-dimethoxypyridine-4-sulfonyl chloride
Methyl 4,6-difluoro-2-(difluoromethyl)pyridine-3-acetate
5-(Difluoromethyl)-3,4-dimethoxypyridine-2-sulfonyl chloride
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