2-Methoxy-5-nitro-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
5-Bromo-2-iodopyridine-4-sulfonyl chloride
4-(Difluoromethyl)-3,5-dimethoxy-2-fluoropyridine
6-Cyano-2-(fluoromethyl)-4-methoxy-3-(trifluoromethoxy)pyridine
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