4,5-Dichloro-2-fluoro-3-(trifluoromethoxy)pyridine
3-Bromo-2,5-dichloro-6-(trifluoromethoxy)pyridine
6-(Chloromethyl)-2-(difluoromethyl)-4-iodopyridine-3-acetic acid
3-(Difluoromethyl)-5-methoxy-4-nitropyridine-2-sulfonyl chloride
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