2-Hydroxy-3-methyl-6-(trifluoromethyl)pyridine
4-(Chloromethyl)-5-(difluoromethyl)-3-(trifluoromethyl)pyridine-2-sulfonyl chloride
2-(Difluoromethyl)-3-methoxy-6-nitropyridine-5-sulfonyl chloride
4-Chloro-2-mercapto-6-(trifluoromethyl)pyridine
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