5-Cyano-2-nitro-4-(trifluoromethoxy)pyridine-3-carboxylic acid
4-Bromo-2-chloro-6-(trifluoromethoxy)pyridine-3-methanol
3-Chloro-6-methoxypyridine-2-sulfonyl chloride
3-(Bromomethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-6-methanol
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