2,5-Difluoro-4-(difluoromethyl)pyridine-3-sulfonyl chloride
3-(Difluoromethyl)-2,4-diiodopyridine-6-sulfonyl chloride
2-(Difluoromethyl)-3,4-dimethoxypyridine-5-sulfonyl chloride
3-Amino-4-bromo-2-(difluoromethyl)pyridine-5-carboxaldehyde
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