2-Chloro-3,6-difluoro-4-(trifluoromethoxy)pyridine
5-(Difluoromethyl)-2-nitro-3-(trifluoromethoxy)pyridine
3,4-Dichloro-5-(fluoromethyl)-2-(trifluoromethoxy)pyridine
3-Chloro-2,5-difluoro-6-(trifluoromethoxy)pyridine
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