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