6-Bromo-3-cyano-4-(trifluoromethoxy)pyridine-2-sulfonyl chloride
Methyl 2-(chloromethyl)-3-cyano-5-(trifluoromethoxy)pyridine-6-carboxylate
4-Ethyl-2-fluoro-6-iodopyridine
2-(Difluoromethyl)-4-methoxy-6-nitropyridine-3-sulfonyl chloride
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