Methyl 5-nitro-4-(trifluoromethoxy)pyridine-2-carboxylate
3,5-Dibromopyridine-4-sulfonyl chloride
2-Chloro-3-(fluoromethyl)-5-methoxy-6-(trifluoromethoxy)pyridine
2-Chloro-3-(difluoromethyl)-6-methoxypyridine-4-carbonyl chloride
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