2,3-Difluoro-6-(fluoromethyl)-5-(trifluoromethoxy)pyridine
2-(Chloromethyl)-4,5-difluoro-3-(trifluoromethoxy)pyridine
2-(Chloromethyl)-3,6-difluoro-5-(trifluoromethoxy)pyridine
3,6-Difluoro-2-(trifluoromethoxy)pyridine-5-acetonitrile
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