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