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