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