3,5-Bis(2,3-difluorophenyl)-2-chloropyridine
2,5-Bis(2,3-difluorophenyl)-3-chloropyridine
3,5-Bis(2,3-difluorophenyl)-4-chloropyridine
2,6-Bis(2,3-difluorophenyl)-3-chloropyridine
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