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