2-Methoxy-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
2-(Difluoromethyl)-6-fluoro-5-iodopyridine-3-sulfonamide
6-(Difluoromethyl)-3-methoxy-2-nitropyridine-4-sulfonyl chloride
Methyl 2-chloro-4-methyl-6-(trifluoromethoxy)pyridine-3-carboxylate
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