Ethyl 2-bromo-3-(bromomethyl)-5-(trifluoromethoxy)pyridine-6-carboxylate
3-Bromo-2-(bromomethyl)-5-(difluoromethyl)-6-(trifluoromethoxy)pyridine
Methyl 3-bromo-2-(bromomethyl)-4-(trifluoromethoxy)pyridine-5-carboxylate
6-Bromo-4-(bromomethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine