2-Difluoromethoxy-3-(trifluoromethyl)isonicotinonitrile
6-Difluoromethoxy-2-(trifluoromethyl)nicotinonitrile
5-Difluoromethoxy-4-(trifluoromethyl)nicotinonitrile
5-Difluoromethoxy-2-(trifluoromethyl)nicotinonitrile
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