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