Ethyl 3-(difluoromethyl)-6-fluoro-2-nitropyridine-4-carboxylate
5-Bromo-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-carboxylic acid
Ethyl 2-bromo-5-fluoro-3-(trifluoromethoxy)pyridine-6-carboxylate
3,5-Dichloropyridine-4-sulfonyl chloride
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