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