6-Bromo-4-(bromomethyl)-2-methyl-3-(trifluoromethoxy)pyridine
3-Bromo-2-(bromomethyl)-6-(difluoromethyl)-5-(trifluoromethoxy)pyridine
3-Bromo-2-(bromomethyl)-4-(difluoromethyl)-6-(trifluoromethoxy)pyridine
6-Bromo-4-(bromomethyl)-3-methyl-2-(trifluoromethoxy)pyridine