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