4-(Difluoromethyl)-2-hydroxy-5-methyl-3-(trifluoromethyl)pyridine
2-Fluoro-6-(trifluoromethoxy)pyridine-4-sulfonyl chloride
2-(Difluoromethyl)-5-methoxy-3-nitropyridine-4-sulfonyl chloride
Ethyl 2-fluoro-6-iodonicotinate
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