2,3-Difluoro-4-(trifluoromethoxy)pyridine-6-sulfonyl chloride
4-Bromo-2,3-difluoro-6-(trifluoromethoxy)pyridine
5-(Chloromethyl)-3-nitro-2-(trifluoromethoxy)pyridine
3,5-Dichloro-2-methoxy-6-(trifluoromethoxy)pyridine
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