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