4-Hydroxy-3-nitro-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
Methyl 2-(difluoromethyl)-3-fluoro-5-methoxypyridine-6-carboxylate
2-Cyano-4-(difluoromethyl)-3-methoxypyridine-5-carboxylic acid
2-Bromo-3-iodopyridine-4-sulfonyl chloride
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