2-Bromo-4-(chloromethyl)-3-(difluoromethyl)-5-nitropyridine
2-(Difluoromethyl)-3-methoxy-4-nitropyridine-6-sulfonyl chloride
Methyl 2-(bromomethyl)-6-chloro-3-(trifluoromethoxy)pyridine-4-carboxylate
4-Hydroxy-2-phenylpyridine-5-acetic acid
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