3,5-Bis(3-(trifluoromethoxy)phenyl)-2-(difluoromethoxy)pyridine
3,5-Bis(2-(trifluoromethoxy)phenyl)-4-(difluoromethoxy)pyridine
3,5-Bis(2-(trifluoromethoxy)phenyl)-2-(difluoromethoxy)pyridine
2,6-Bis(4-(trifluoromethoxy)phenyl)-4-(difluoromethoxy)pyridine