5-(Difluoromethyl)-2,3-dimethoxy-4-nitropyridine
Methyl 2-(chloromethyl)-3-cyano-5-(difluoromethyl)pyridine-4-acetate
Methyl 5-bromo-4-cyano-3-(trifluoromethoxy)pyridine-2-carboxylate
2-Iodo-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride
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