3,4-Dibromo-6-(difluoromethyl)pyridine-2-sulfonyl chloride
3-(Difluoromethyl)-4,5-dimethoxypyridine-2-sulfonyl chloride
2-(Difluoromethyl)-3-(trifluoromethyl)pyridine-6-carboxaldehyde
4-(Difluoromethyl)-2,6-dimethoxypyridine-3-sulfonyl chloride
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