2-(2,3-Difluorophenyl)-3,5,6-trifluoropyridine
4-(2,3-Difluorophenyl)-2,3,5,6-tetrafluoropyridine
6-(2,3-Difluorophenyl)-3-fluoro-2-(trifluoromethyl)pyridine
4-(2,3-Difluorophenyl)-3-fluoro-2-(trifluoromethyl)pyridine
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