Methyl 2-cyano-6-(trifluoromethoxy)pyridine-4-carboxylate
3-Hydroxy-5-(trifluoromethoxy)pyridine-2-sulfonyl chloride
4-(Difluoromethyl)-3-methoxypyridine-5-sulfonyl chloride
Methyl 4-(fluoromethyl)-2-methyl-6-(trifluoromethoxy)pyridine-3-carboxylate
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