3,5-Bis(perfluorophenyl)-4-(difluoromethoxy)pyridine
3,5-Bis(perfluorophenyl)-2-(difluoromethoxy)pyridine
2,6-Bis(perfluorophenyl)-4-(difluoromethoxy)pyridine
4-Bromomethyl-2-difluoromethoxy-5-fluoropyridine
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