Ethyl 3-bromo-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 2-bromo-6-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxylate
3-Bromo-6-hydroxy-2-methyl-4-(trifluoromethoxy)pyridine
6-Bromo-4-iodo-2-methoxy-3-(trifluoromethoxy)pyridine